533
FNUS56 KMTR 202137
FWFMTR
FIRE WEATHER PLANNING FORECAST FOR THE SAN FRANCISCO BAY AREA AND
CENTRAL CALIFORNIA COAST
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
237 PM PDT TUE OCT 20 2026
DISCUSSION
TEMPERATURES NEAR TO BELOW SEASONAL AVERAGES PERSIST
THROUGH THE SEVEN DAY OUTLOOK. ISOLATED SHOWERS ARE POSSIBLE LATE
TUESDAY WITH MORE WIDESPREAD SHOWER ACTIVITY WEDNESDAY INTO
THURSDAY. WIDESPREAD WETTING RAINS ARE EXPECTED ACROSS THE CENTRAL
COAST, THE SANTA CRUZ MOUNTAINS, AND THE EASTERN SANTA CLARA
HILLS, WHILE LIGHTER RAIN IS EXPECTED ACROSS THE REST OF THE SF
BAY AREA. A CHANCE OF THUNDERSTORMS WITH LOCALLY HEAVY DOWNPOURS
EXISTS ON WEDNESDAY WITH THE HIGHEST POTENTIAL ALONG THE BIG SUR
COAST NEAR THE TIMBER AND PLASKETT FIRE BURN SCARS.
NOTE : ALL WINDS ARE 20-FOOT WINDS UNLESS OTHERWISE SPECIFIED.
THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS.
CAZ505-210945-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....50-56.
* 24 HR TREND......7 DEGREES WARMER.
* MAX HUMIDITY........80-100 PERCENT.
* 24 HR TREND......10 PERCENT DRIER.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTHEAST UP TO 5 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...3 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........PARTLY SUNNY. CHANCE OF RAIN SHOWERS THROUGH
THE DAY.
* MAX TEMPERATURE.....62-70.
* 24 HR TREND......4 DEGREES WARMER.
* MIN HUMIDITY........75-85 PERCENT.
* 24 HR TREND......20 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO THE
WEST 5 TO 10 MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...8 PERCENT.
* CWR.................30%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
THE NIGHT. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....50-56.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CWR.................20%.
THURSDAY
* SKY/WEATHER.........PARTLY SUNNY. PATCHY FOG IN THE MORNING.
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....59-67.
* MIN HUMIDITY........85-95 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................20%.
EXTENDED
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN THE
40S TO LOWER 50S.
FRIDAY
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
40S TO LOWER 50S. HIGHS IN THE 60S.
SATURDAY
MOSTLY CLEAR. NORTH WINDS 5 TO 15 MPH. LOWS IN THE
40S TO MID 50S. HIGHS IN THE 60S TO LOWER 70S.
SUNDAY
PARTLY CLOUDY. NORTH WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO MID 50S. HIGHS IN THE MID 60S TO LOWER 70S.
CAZ503-210945-
SONOMA COASTAL RANGE-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....54-59.
* 24 HR TREND......8 DEGREES WARMER.
* MAX HUMIDITY........60-80 PERCENT.
* 24 HR TREND......10 PERCENT DRIER.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
EAST AFTER MIDNIGHT.
* CHANCE OF THUNDER...3 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....67-73.
* 24 HR TREND......4 DEGREES WARMER.
* MIN HUMIDITY........50-60 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....SOUTHWEST WINDS UP TO 5 MPH.
* CHANCE OF THUNDER...8 PERCENT.
* CWR.................20%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
THE NIGHT.
* MIN TEMPERATURE.....53-59.
* MAX HUMIDITY........70-90 PERCENT.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 5 MPH.
* CWR.................20%.
THURSDAY
* SKY/WEATHER.........PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....64-71.
* MIN HUMIDITY........60-70 PERCENT.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* CWR.................20%.
EXTENDED
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY IN THE EVENING THEN
CLEARING. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE MID 40S TO
LOWER 50S.
FRIDAY
MOSTLY CLEAR. NORTHWEST WINDS UP TO 10 MPH. LOWS IN THE
40S TO MID 50S. HIGHS IN THE UPPER 60S TO MID 70S.
SATURDAY
MOSTLY CLEAR. NORTH WINDS UP TO 10 MPH. LOWS IN THE
40S TO MID 50S. HIGHS IN THE 60S TO UPPER 70S.
SUNDAY
PARTLY CLOUDY. NORTH WINDS UP TO 10 MPH. LOWS IN THE
40S TO MID 50S. HIGHS IN THE 70S.
CAZ502-210945-
MARIN COASTAL RANGE-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....51-56.
* 24 HR TREND......6 DEGREES WARMER.
* MAX HUMIDITY........65-85 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTH UP TO 5 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...3 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........PARTLY SUNNY. CHANCE OF RAIN SHOWERS.
* MAX TEMPERATURE.....67-72.
* 24 HR TREND......4 DEGREES WARMER.
* MIN HUMIDITY........55-65 PERCENT EXCEPT 40-50 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......20 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* CHANCE OF THUNDER...8 PERCENT.
* CWR.................30%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
THE NIGHT. PATCHY FOG EARLY IN THE MORNING.
* MIN TEMPERATURE.....52-57.
* MAX HUMIDITY........70-90 PERCENT EXCEPT 60 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 5 MPH.
* CWR.................10%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
THE DAY. PATCHY FOG EARLY IN THE MORNING.
* MAX TEMPERATURE.....64-70.
* MIN HUMIDITY........65-75 PERCENT EXCEPT 50 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
* CWR.................10%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
WEST WINDS 10 TO 20 MPH. LOWS IN THE 40S TO MID 50S.
FRIDAY
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
40S TO MID 50S. HIGHS IN THE 60S TO MID 70S.
SATURDAY
MOSTLY CLEAR. NORTH WINDS 5 TO 15 MPH. LOWS IN THE
40S TO UPPER 50S. HIGHS IN THE UPPER 60S TO MID 70S.
SUNDAY
PARTLY CLOUDY. NORTH WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO UPPER 50S. HIGHS IN THE 60S TO UPPER 70S.
CAZ506-210945-
NORTH BAY INTERIOR VALLEYS-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....47-54.
* 24 HR TREND......6 DEGREES WARMER.
* MAX HUMIDITY........80-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT WINDS.
* CHANCE OF THUNDER...3 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........PARTLY SUNNY. PATCHY FOG IN THE MORNING.
SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE DAY.
* MAX TEMPERATURE.....69-74.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........60-70 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...7 PERCENT.
* CWR.................30%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
THE NIGHT. PATCHY FOG LATE IN THE EVENING. AREAS OF FOG EARLY IN
THE MORNING.
* MIN TEMPERATURE.....47-54.
* MAX HUMIDITY........100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS UP TO 5 MPH SHIFTING TO THE
NORTHWEST AFTER MIDNIGHT.
* CWR.................20%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF FOG IN THE MORNING.
PATCHY FOG EARLY IN THE AFTERNOON. CHANCE OF RAIN SHOWERS THROUGH
THE DAY.
* MAX TEMPERATURE.....66-72.
* MIN HUMIDITY........75-85 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................20%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH. LOWS IN THE
40S TO LOWER 50S.
FRIDAY
MOSTLY CLEAR. PATCHY FOG. NORTH WINDS 5 TO 15 MPH. LOWS
IN THE 40S TO LOWER 50S. HIGHS IN THE 60S TO UPPER 70S.
SATURDAY
MOSTLY CLEAR. NORTHEAST WINDS 5 TO 15 MPH. LOWS IN
THE 40S TO LOWER 50S. HIGHS IN THE 60S TO UPPER 70S.
SUNDAY
PARTLY CLOUDY. NORTH WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO LOWER 50S. HIGHS IN THE 70S.
CAZ504-210945-
NORTH BAY INTERIOR MOUNTAINS-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....49-58.
* 24 HR TREND......12 DEGREES WARMER.
* MAX HUMIDITY........65-85 PERCENT.
* 24 HR TREND......30 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 5 MPH.
* CHANCE OF THUNDER...3 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS
IN THE AFTERNOON.
* MAX TEMPERATURE.....64-72.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........55-65 PERCENT.
* 24 HR TREND......20 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS UP TO 5 MPH.
* CHANCE OF THUNDER...6 PERCENT.
* CWR.................10%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
THE NIGHT. AREAS OF FOG EARLY IN THE MORNING.
* MIN TEMPERATURE.....48-56.
* MAX HUMIDITY........80-100 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
NORTHWEST AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
NORTHWEST AFTER MIDNIGHT.
* CWR.................20%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF FOG EARLY IN THE
MORNING. PATCHY FOG LATE IN THE MORNING. CHANCE OF RAIN SHOWERS
THROUGH THE DAY.
* MAX TEMPERATURE.....62-70.
* MIN HUMIDITY........65-75 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPVALLEY 3 TO 7 MPH BECOMING SOUTHWEST 5 TO
10 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* CWR.................20%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 40S TO LOWER
50S.
FRIDAY
MOSTLY CLEAR. NORTH WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO LOWER 50S. HIGHS IN THE MID 60S TO LOWER 70S.
SATURDAY
MOSTLY CLEAR. NORTHEAST WINDS 5 TO 15 MPH. LOWS IN
THE 40S TO LOWER 50S. HIGHS IN THE 60S TO MID 70S.
SUNDAY
PARTLY CLOUDY. NORTH WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO LOWER 50S. HIGHS IN THE MID 60S TO LOWER 70S.
CAZ006-210945-
SAN FRANCISCO-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....53-58.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHWEST UP TO 5 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...3 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
* MAX TEMPERATURE.....63-70.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........70-80 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...8 PERCENT.
* CWR.................30%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
THE NIGHT.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................10%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
* MAX TEMPERATURE.....59-66.
* MIN HUMIDITY........80-90 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................10%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE 50S.
FRIDAY
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S. HIGHS IN THE 60S TO LOWER 70S.
SATURDAY
MOSTLY CLEAR. NORTH WINDS 5 TO 15 MPH. LOWS IN THE
50S. HIGHS IN THE MID 60S TO LOWER 70S.
SUNDAY
PARTLY CLOUDY. NORTH WINDS 5 TO 15 MPH. LOWS IN THE
50S. HIGHS IN THE UPPER 60S TO MID 70S.
CAZ509-210945-
SAN FRANCISCO PENINSULA COAST-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....50-56.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........80-90 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHEAST UP TO 5 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...3 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
* MAX TEMPERATURE.....62-69.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........75-85 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* CHANCE OF THUNDER...11 PERCENT.
* CWR.................30%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
THE NIGHT. PATCHY FOG IN THE LATE EVENING AND OVERNIGHT.
* MIN TEMPERATURE.....50-56.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......NORTH WINDS 5 TO 10 MPH.
* CWR.................30%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
CHANCE OF RAIN SHOWERS THROUGH THE DAY.
* MAX TEMPERATURE.....60-65.
* MIN HUMIDITY........75-85 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CWR.................30%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH.
LOWS IN THE UPPER 40S TO MID 50S.
FRIDAY
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
40S TO MID 50S. HIGHS IN THE 60S.
SATURDAY
PARTLY CLOUDY. NORTH WINDS 5 TO 15 MPH. LOWS IN THE
40S TO MID 50S. HIGHS IN THE MID 60S TO LOWER 70S.
SUNDAY
PARTLY CLOUDY. NORTH WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO UPPER 50S. HIGHS IN THE 60S TO MID 70S.
CAZ508-210945-
SAN FRANCISCO BAY SHORELINE-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....51-56.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........80-90 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHEAST UP TO 5 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...2 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....66-73.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........65-75 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTH WINDS UP TO 5 MPH SHIFTING TO THE
NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...9 PERCENT.
* CWR.................40%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
THE NIGHT. PATCHY FOG EARLY IN THE MORNING.
* MIN TEMPERATURE.....51-56.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................40%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
CHANCE OF RAIN SHOWERS THROUGH THE DAY.
* MAX TEMPERATURE.....63-71.
* MIN HUMIDITY........75-85 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................20%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN
THE UPPER 40S TO MID 50S.
FRIDAY
MOSTLY CLEAR. PATCHY FOG. NORTHWEST WINDS 5 TO 15 MPH.
LOWS IN THE 40S TO MID 50S. HIGHS IN THE 60S TO MID 70S.
SATURDAY
MOSTLY CLEAR. NORTHEAST WINDS 5 TO 15 MPH. LOWS IN
THE 40S TO UPPER 50S. HIGHS IN THE UPPER 60S TO MID 70S.
SUNDAY
PARTLY CLOUDY. NORTH WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO UPPER 50S. HIGHS IN THE UPPER 60S TO MID 70S.
CAZ510-210945-
EAST BAY INTERIOR VALLEYS-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....52-58.
* 24 HR TREND......5 DEGREES WARMER.
* MAX HUMIDITY........70-90 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTH WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
* CHANCE OF THUNDER...3 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....67-73.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........60-70 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...6 PERCENT.
* CWR.................30%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
THE NIGHT. PATCHY FOG EARLY IN THE MORNING.
* MIN TEMPERATURE.....52-58.
* MAX HUMIDITY........80-100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS UP TO 5 MPH.
* CWR.................40%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
CHANCE OF RAIN SHOWERS THROUGH THE DAY.
* MAX TEMPERATURE.....65-72.
* MIN HUMIDITY........70-80 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
* CWR.................20%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE UPPER 40S
TO MID 50S.
FRIDAY
MOSTLY CLEAR. PATCHY FOG. NORTHWEST WINDS 5 TO 15 MPH.
LOWS IN THE 40S TO MID 50S. HIGHS IN THE 60S TO UPPER 70S.
SATURDAY
MOSTLY CLEAR. NORTH WINDS 5 TO 15 MPH. LOWS IN THE
40S TO MID 50S. HIGHS IN THE 70S.
SUNDAY
MOSTLY CLEAR. NORTH WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO UPPER 50S. HIGHS IN THE 70S.
CAZ513-210945-
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....48-53.
* 24 HR TREND......5 DEGREES WARMER.
* MAX HUMIDITY........90-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHEAST UP TO 5 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...2 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........PARTLY SUNNY. PATCHY FOG IN THE MORNING.
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS LIKELY
IN THE AFTERNOON.
* MAX TEMPERATURE.....67-72.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........60-70 PERCENT.
* 24 HR TREND......20 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
* CHANCE OF THUNDER...12 PERCENT.
* CWR.................50%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY IN THE
EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. PATCHY FOG
AFTER MIDNIGHT.
* MIN TEMPERATURE.....48-53.
* MAX HUMIDITY........100 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS UP TO 5 MPH.
* CWR.................60%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF FOG IN THE MORNING.
PATCHY FOG LATE IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE
MORNING. RAIN SHOWERS LIKELY IN THE AFTERNOON.
* MAX TEMPERATURE.....65-70.
* MIN HUMIDITY........75-85 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................40%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN
THE MID 40S TO LOWER 50S.
FRIDAY
PARTLY CLOUDY. PATCHY FOG. NORTHWEST WINDS 5 TO 15 MPH.
LOWS IN THE MID 40S TO LOWER 50S. HIGHS IN THE LOWER TO MID 70S.
SATURDAY
MOSTLY CLEAR. NORTHEAST WINDS UP TO 10 MPH. LOWS IN
THE MID 40S TO LOWER 50S. HIGHS IN THE MID 70S TO LOWER 80S.
SUNDAY
MOSTLY CLEAR. NORTH WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO MID 50S. HIGHS IN THE MID 70S TO LOWER 80S.
CAZ512-210945-
SANTA CRUZ MOUNTAINS-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....50-57.
* 24 HR TREND......7 DEGREES WARMER.
* MAX HUMIDITY........70-90 PERCENT.
* 24 HR TREND......20 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHEAST UP TO 5 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...3 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........PARTLY SUNNY. CHANCE OF RAIN SHOWERS.
* MAX TEMPERATURE.....63-71.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........60-70 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPVALLEY 3 TO 7 MPH BECOMING SOUTH UP TO 5
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH WINDS UP TO 5 MPH.
* CHANCE OF THUNDER...13 PERCENT.
* CWR.................50%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL
EARLY MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING. CHANCE OF RAIN SHOWERS EARLY IN THE MORNING.
* MIN TEMPERATURE.....50-57.
* MAX HUMIDITY........80-100 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 5 MPH.
* CWR.................60%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF FOG EARLY IN THE
MORNING. AREAS OF FOG EARLY IN THE MORNING, THEN PATCHY FOG LATE
IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE MORNING. RAIN
SHOWERS LIKELY IN THE AFTERNOON.
* MAX TEMPERATURE.....62-70.
* MIN HUMIDITY........65-75 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* CWR.................50%.
EXTENDED
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. WEST WINDS 5 TO 15 MPH.
LOWS IN THE 40S TO LOWER 50S.
FRIDAY
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
40S TO LOWER 50S. HIGHS IN THE MID 60S TO LOWER 70S.
SATURDAY
MOSTLY CLEAR. NORTH WINDS 5 TO 15 MPH. LOWS IN THE
40S TO LOWER 50S. HIGHS IN THE UPPER 60S TO MID 70S.
SUNDAY
MOSTLY CLEAR. NORTH WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO MID 50S. HIGHS IN THE 70S.
CAZ515-210945-
EAST BAY HILLS-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....55-60 EXCEPT 45-55 ABOVE 2000 FEET.
* 24 HR TREND......7 DEGREES WARMER.
* MAX HUMIDITY........60-80 PERCENT.
* 24 HR TREND......10 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTH UP TO 5 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTH UP TO 5 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...2 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....63-71.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........60-70 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...7 PERCENT.
* CWR.................40%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
* MIN TEMPERATURE.....52-58 EXCEPT 42-52 ABOVE 2000 FEET.
* MAX HUMIDITY........80-100 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS UP TO 5 MPH.
* CWR.................40%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
* MAX TEMPERATURE.....61-69.
* MIN HUMIDITY........70-80 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* CWR.................50%.
EXTENDED
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
40S TO LOWER 50S.
FRIDAY
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
40S TO LOWER 50S. HIGHS IN THE MID 60S TO LOWER 70S.
SATURDAY
MOSTLY CLEAR. NORTH WINDS 5 TO 15 MPH. LOWS IN THE
40S TO LOWER 50S. HIGHS IN THE MID 60S TO LOWER 70S.
SUNDAY
MOSTLY CLEAR. NORTH WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO LOWER 50S. HIGHS IN THE 60S TO MID 70S.
CAZ514-210945-
EASTERN SANTA CLARA HILLS-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....45-54.
* 24 HR TREND......6 DEGREES WARMER.
* MAX HUMIDITY........65-85 PERCENT.
* 24 HR TREND......20 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS UP TO 5 MPH IN THE EVENING
BECOMING DOWNVALLEY 2 TO 6 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* CHANCE OF THUNDER...2 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....62-70.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........60-70 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
* CHANCE OF THUNDER...12 PERCENT.
* CWR.................40%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY THROUGH THE
NIGHT. PATCHY FOG AFTER MIDNIGHT. AREAS OF FOG EARLY IN THE
MORNING.
* MIN TEMPERATURE.....43-53.
* MAX HUMIDITY........80-100 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 5 MPH IN THE EVENING
BECOMING DOWNVALLEY 2 TO 6 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 5 MPH.
* CWR.................60%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF FOG EARLY IN THE
MORNING. PATCHY FOG LATE IN THE MORNING. CHANCE OF RAIN SHOWERS
IN THE MORNING. RAIN SHOWERS LIKELY IN THE AFTERNOON.
* MAX TEMPERATURE.....60-68.
* MIN HUMIDITY........70-80 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPVALLEY 3 TO 7 MPH BECOMING WEST 5 TO 10
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
* CWR.................60%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. WEST
WINDS 5 TO 15 MPH. LOWS IN THE 30S TO UPPER 40S.
FRIDAY
MOSTLY CLEAR. PATCHY FOG. NORTHWEST WINDS 5 TO 15 MPH.
LOWS IN THE 30S TO UPPER 40S. HIGHS IN THE 60S TO LOWER 70S.
SATURDAY
MOSTLY CLEAR. NORTHEAST WINDS 5 TO 15 MPH. LOWS IN
THE 40S TO LOWER 50S. HIGHS IN THE 60S TO MID 70S.
SUNDAY
MOSTLY CLEAR. NORTHEAST WINDS 5 TO 15 MPH. LOWS IN THE
40S TO LOWER 50S. HIGHS IN THE UPPER 60S TO MID 70S.
CAZ529-210945-
NORTHERN MONTEREY BAY-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....48-53.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTHEAST UP TO 5 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...2 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....64-70.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........70-80 PERCENT.
* 24 HR TREND......20 PERCENT WETTER.
* 20-FOOT WINDS.......NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* CHANCE OF THUNDER...15 PERCENT.
* CWR.................60%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS EARLY
IN THE EVENING, THEN RAIN SHOWERS LIKELY LATE IN THE EVENING.
CHANCE OF RAIN SHOWERS IN THE LATE EVENING AND OVERNIGHT. PATCHY
FOG LATE IN THE EVENING.
* MIN TEMPERATURE.....48-53.
* MAX HUMIDITY........100 PERCENT.
* 20-FOOT WINDS.......NORTH WINDS UP TO 5 MPH.
* CWR.................60%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS LIKELY
IN THE AFTERNOON.
* MAX TEMPERATURE.....62-68.
* MIN HUMIDITY........80-90 PERCENT.
* 20-FOOT WINDS.......NORTH WINDS UP TO 5 MPH SHIFTING TO THE WEST
5 TO 10 MPH IN THE AFTERNOON.
* CWR.................50%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH.
LOWS AROUND 50.
FRIDAY
PARTLY CLOUDY. PATCHY FOG. NORTH WINDS 5 TO 15 MPH.
LOWS IN THE MID 40S TO LOWER 50S. HIGHS IN THE MID 60S TO LOWER
70S.
SATURDAY
MOSTLY CLEAR. NORTH WINDS 5 TO 15 MPH. LOWS IN THE
MID 40S TO LOWER 50S. HIGHS IN THE 60S TO UPPER 70S.
SUNDAY
PARTLY CLOUDY. NORTH WINDS 5 TO 15 MPH. LOWS NEAR 50.
HIGHS IN THE 70S.
CAZ530-210945-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....49-54.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90 PERCENT EXCEPT BIG SUR 80 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHEAST 5 TO 10 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...3 PERCENT.
* CWR.................10%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....61-68.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........80 PERCENT EXCEPT BIG SUR 70 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......EAST WINDS UP TO 5 MPH SHIFTING TO THE
NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...19 PERCENT.
* CWR.................80%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........RAIN SHOWERS LIKELY.
* MIN TEMPERATURE.....49-54.
* MAX HUMIDITY........100 PERCENT.
* 20-FOOT WINDS.......NORTHEAST WINDS 5 TO 10 MPH.
* CWR.................80%.
THURSDAY
* SKY/WEATHER.........RAIN SHOWERS LIKELY.
* MAX TEMPERATURE.....60-66.
* MIN HUMIDITY........90 PERCENT EXCEPT BIG SUR 70 PERCENT.
* 20-FOOT WINDS.......NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE
WEST 5 TO 10 MPH IN THE AFTERNOON.
* CWR.................60%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. WEST
WINDS 10 TO 20 MPH. LOWS IN THE 40S TO UPPER 50S.
FRIDAY
PARTLY CLOUDY. NORTH WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO UPPER 50S. HIGHS IN THE 60S.
SATURDAY
MOSTLY CLEAR. NORTHEAST WINDS 5 TO 15 MPH. LOWS IN
THE 40S TO UPPER 50S. HIGHS IN THE MID 60S TO LOWER 70S.
SUNDAY
PARTLY CLOUDY. NORTHEAST WINDS 5 TO 15 MPH. LOWS IN THE
40S TO UPPER 50S. HIGHS IN THE MID 60S TO LOWER 70S.
CAZ528-210945-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....48-53.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY........90-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH SHIFTING TO THE
SOUTHEAST 5 TO 10 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...2 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....64-70.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........70-80 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
WEST 5 TO 10 MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...19 PERCENT.
* CWR.................70%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY THROUGH THE
NIGHT. PATCHY FOG EARLY IN THE MORNING.
* MIN TEMPERATURE.....48-53.
* MAX HUMIDITY........100 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* CWR.................70%.
THURSDAY
* SKY/WEATHER.........PATCHY FOG IN THE MORNING. RAIN SHOWERS
LIKELY THROUGH THE DAY.
* MAX TEMPERATURE.....62-68.
* MIN HUMIDITY........80-90 PERCENT.
* 20-FOOT WINDS.......EAST WINDS UP TO 5 MPH SHIFTING TO THE WEST
10 TO 15 MPH IN THE AFTERNOON.
* CWR.................50%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS. WEST WINDS
10 TO 20 MPH. LOWS IN THE UPPER 40S TO MID 50S.
FRIDAY
PARTLY CLOUDY. PATCHY FOG. NORTHWEST WINDS 10 TO
20 MPH. LOWS IN THE 40S TO MID 50S. HIGHS IN THE MID 60S TO LOWER
70S.
SATURDAY
MOSTLY CLEAR. EAST WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO MID 50S. HIGHS IN THE 70S.
SUNDAY
PARTLY CLOUDY. EAST WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO MID 50S. HIGHS IN THE 70S.
CAZ516-210945-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....44-49.
* 24 HR TREND......7 DEGREES WARMER.
* MAX HUMIDITY........100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHEAST UP TO 5 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...1 PERCENT.
* CWR.................10%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS LIKELY
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....65-70.
* 24 HR TREND......7 DEGREES COOLER.
* MIN HUMIDITY........75-85 PERCENT.
* 24 HR TREND......30 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...22 PERCENT.
* CWR.................70%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER
MIDNIGHT. AREAS OF FOG LATE IN THE EVENING. PATCHY FOG AFTER
MIDNIGHT.
* MIN TEMPERATURE.....44-49.
* MAX HUMIDITY........100 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CWR.................80%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.....65-70.
* MIN HUMIDITY........70-80 PERCENT.
* 20-FOOT WINDS.......NORTH WINDS UP TO 5 MPH SHIFTING TO THE WEST
5 TO 10 MPH IN THE AFTERNOON.
* CWR.................50%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH.
LOWS IN THE 40S TO LOWER 50S.
FRIDAY
PARTLY CLOUDY. PATCHY FOG. NORTH WINDS 10 TO 20 MPH.
LOWS IN THE 40S TO LOWER 50S. HIGHS IN THE UPPER 60S TO MID 70S.
SATURDAY
MOSTLY CLEAR. PATCHY FOG. EAST WINDS 5 TO 15 MPH.
LOWS IN THE 40S TO LOWER 50S. HIGHS IN THE 70S.
SUNDAY
PARTLY CLOUDY. PATCHY FOG. NORTHEAST WINDS 5 TO 15 MPH.
LOWS IN THE 40S TO LOWER 50S. HIGHS IN THE 70S TO LOWER 80S.
CAZ517-210945-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....47-54.
* 24 HR TREND......7 DEGREES WARMER.
* MAX HUMIDITY........70-90 PERCENT EXCEPT 60-80 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 10 MPH. GUSTS UP TO 25
MPH IN THE EVENING.
* CHANCE OF THUNDER...3 PERCENT.
* CWR.................10%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....61-69.
* 24 HR TREND......7 DEGREES COOLER.
* MIN HUMIDITY........60-70 PERCENT.
* 24 HR TREND......20 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 10 MPH. GUSTS UP TO 25
MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...24 PERCENT.
* CWR.................80%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER
MIDNIGHT. PATCHY FOG EARLY IN THE MORNING.
* MIN TEMPERATURE.....47-54.
* MAX HUMIDITY........80-100 PERCENT EXCEPT 70-90 PERCENT ABOVE
2000 FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 5 MPH IN THE EVENING
BECOMING DOWNVALLEY 2 TO 6 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 5 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
* CWR.................80%.
THURSDAY
* SKY/WEATHER.........PATCHY FOG EARLY IN THE MORNING. AREAS OF FOG
EARLY IN THE MORNING, THEN PATCHY FOG LATE IN THE MORNING. RAIN
SHOWERS LIKELY IN THE MORNING. RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.....60-68.
* MIN HUMIDITY........65-75 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH AND GUSTS TO AROUND
20 MPH.
* CWR.................70%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. NORTHWEST WINDS 5 TO
15 MPH. LOWS IN THE 40S TO LOWER 50S.
FRIDAY
MOSTLY CLEAR. NORTH WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO LOWER 50S. HIGHS IN THE 60S TO LOWER 70S.
SATURDAY
MOSTLY CLEAR. NORTHEAST WINDS UP TO 10 MPH. LOWS IN
THE 40S TO MID 50S. HIGHS IN THE 60S TO MID 70S.
SUNDAY
PARTLY CLOUDY. NORTHEAST WINDS UP TO 10 MPH. LOWS IN
THE 40S TO UPPER 50S. HIGHS IN THE UPPER 60S TO MID 70S.
CAZ518-210945-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL PARK-
237 PM PDT TUE OCT 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....45-55.
* 24 HR TREND......7 DEGREES WARMER.
* MAX HUMIDITY........65-85 PERCENT EXCEPT 75-95 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......20 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE EVENING.
* RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH
IN THE EVENING.
* CHANCE OF THUNDER...2 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....62-70.
* 24 HR TREND......6 DEGREES COOLER.
* MIN HUMIDITY........65-75 PERCENT.
* 24 HR TREND......20 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 10 MPH. GUSTS UP TO 25
MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...18 PERCENT.
* CWR.................60%.
* MARINE LAYER........NONE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. PATCHY FOG IN THE LATE EVENING AND OVERNIGHT.
* MIN TEMPERATURE.....44-54.
* MAX HUMIDITY........80-100 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 5 MPH SHIFTING TO THE NORTH
AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....EAST WINDS 5 TO 10 MPH SHIFTING TO THE NORTH
UP TO 5 MPH AFTER MIDNIGHT.
* CWR.................80%.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.....60-68.
* MIN HUMIDITY........65-75 PERCENT EXCEPT 75-85 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 5 MPH SHIFTING TO THE WEST
5 TO 10 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST WINDS UP TO 5 MPH SHIFTING TO THE WEST
10 TO 15 MPH WITH GUSTS 20 TO 30 MPH IN THE AFTERNOON.
* CWR.................70%.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. WEST
WINDS 5 TO 15 MPH. LOWS IN THE 40S TO LOWER 50S.
FRIDAY
MOSTLY CLEAR. PATCHY FOG. NORTHWEST WINDS 5 TO 15 MPH.
LOWS IN THE 40S TO LOWER 50S. HIGHS IN THE 60S TO LOWER 70S.
SATURDAY
MOSTLY CLEAR. EAST WINDS UP TO 10 MPH. LOWS IN THE
40S TO LOWER 50S. HIGHS IN THE 60S TO MID 70S.
SUNDAY
PARTLY CLOUDY. EAST WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO LOWER 50S. HIGHS IN THE UPPER 60S TO MID 70S.
NOAA'S NWS ON THE WEB AT WWW.WEATHER.GOV/SANFRANCISCO
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