122
FNUS56 KMTR 172251
FWFMTR
FIRE WEATHER PLANNING FORECAST FOR THE SAN FRANCISCO BAY AREA AND
CENTRAL CALIFORNIA COAST
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
351 PM PDT THU SEP 17 2026
DISCUSSION
THE MARINE LAYER GRADUALLY COMPRESSES TONIGHT THROUGH SATURDAY,
RESULTING IN A DRYING AND WARMING TREND TO NEAR SEASONAL
TEMPERATURES INTO THE WEEKEND. DUE TO BUILDING HIGH PRESSURE, A
WEAK OFFSHORE FLOW IS POSSIBLE SATURDAY MORNING, BUT WITH
ELEVATED HUMIDITIES, PARTICULARLY ACROSS THE NORTH AND EAST BAY.
BY MONDAY, A DRY UPPER LOW BUILDS INTO THE REGION DEEPENING THE
MARINE LAYER WITH GENTLE TO MODERATE ONSHORE WINDS PERSISTING
THROUGH THE WEEK. TEMPERATURES REMAIN NEAR SEASONAL THROUGH MID
WEEK.
NOTE : ALL WINDS ARE 20-FOOT WINDS UNLESS OTHERWISE SPECIFIED.
THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS.
CAZ505-181100-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....50-55.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....66-74.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........75-85 PERCENT.
* 24 HR TREND......20 PERCENT DRIER.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....51-56.
* MAX HUMIDITY........80-100 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG LATE IN THE MORNING.
* MAX TEMPERATURE.....67-75.
* MIN HUMIDITY........70-80 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN THE 50S.
SUNDAY
MOSTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S. HIGHS IN THE 60S TO LOWER 70S.
MONDAY
PARTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH. LOWS
IN THE 50S. HIGHS IN THE MID 60S TO LOWER 70S.
TUESDAY
PARTLY CLOUDY. PATCHY FOG. NORTHWEST WINDS 5 TO
15 MPH. LOWS IN THE 50S. HIGHS IN THE 60S TO MID 70S.
CAZ503-181100-
SONOMA COASTAL RANGE-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....50-55.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........80-100 PERCENT.
* 24 HR TREND......10 PERCENT DRIER.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....76-84.
* 24 HR TREND......10 DEGREES WARMER.
* MIN HUMIDITY........45-55 PERCENT.
* 24 HR TREND......20 PERCENT DRIER.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
WEST 5 TO 10 MPH AND GUSTS TO AROUND 20 MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....55-61.
* MAX HUMIDITY........60-80 PERCENT.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........SUNNY.
* MAX TEMPERATURE.....80-88.
* MIN HUMIDITY........35-45 PERCENT.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 5 MPH SHIFTING TO THE WEST
5 TO 10 MPH IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE 50S TO
LOWER 60S.
SUNDAY
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO LOWER 60S. HIGHS IN THE 70S TO LOWER 80S.
MONDAY
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO LOWER 60S. HIGHS IN THE MID 70S TO LOWER 80S.
TUESDAY
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO LOWER 60S. HIGHS IN THE UPPER 70S TO MID 80S.
CAZ502-181100-
MARIN COASTAL RANGE-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....50-55.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90-100 PERCENT EXCEPT 60-70 PERCENT ABOVE
2000 FEET.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....75-81 EXCEPT 69-74 ABOVE 2000 FEET.
* 24 HR TREND......8 DEGREES WARMER.
* MIN HUMIDITY........55-65 PERCENT.
* 24 HR TREND......20 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....50-55 EXCEPT 56-61 ABOVE 2000 FEET.
* MAX HUMIDITY........90-100 PERCENT EXCEPT 60 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE EVENING.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE EVENING.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG EARLY IN THE
MORNING.
* MAX TEMPERATURE.....78-85 EXCEPT 72-77 ABOVE 2000 FEET.
* MIN HUMIDITY........50-60 PERCENT.
* 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.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE 50S TO LOWER
60S.
SUNDAY
COOLER. MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN
THE 50S TO LOWER 60S. HIGHS IN THE MID 60S TO LOWER 70S.
MONDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO LOWER 60S. HIGHS IN THE UPPER 60S TO MID 70S.
TUESDAY
PARTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH.
LOWS IN THE 50S TO LOWER 60S. HIGHS IN THE 70S TO LOWER 80S.
CAZ506-181100-
NORTH BAY INTERIOR VALLEYS-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
AREAS OF FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....48-53.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF FOG IN THE MORNING.
* MAX TEMPERATURE.....78-86.
* 24 HR TREND......7 DEGREES WARMER.
* MIN HUMIDITY........45-55 PERCENT.
* 24 HR TREND......10 PERCENT DRIER.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. PATCHY FOG EARLY IN THE
MORNING.
* MIN TEMPERATURE.....50-55.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF FOG EARLY IN THE
MORNING. PATCHY FOG LATE IN THE MORNING.
* MAX TEMPERATURE.....81-89.
* MIN HUMIDITY........40-50 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S.
SUNDAY
MOSTLY CLOUDY. PATCHY FOG. SOUTHWEST WINDS 5 TO 15 MPH.
LOWS IN THE 40S TO UPPER 50S. HIGHS IN THE 70S TO LOWER 80S.
MONDAY
PARTLY CLOUDY. AREAS OF FOG. PATCHY FOG. SOUTHWEST
WINDS 5 TO 15 MPH. LOWS IN THE 40S TO UPPER 50S. HIGHS IN THE 70S
TO LOWER 80S.
TUESDAY
PARTLY CLOUDY. AREAS OF FOG. WEST WINDS 5 TO 15 MPH.
LOWS IN THE 50S TO LOWER 60S. HIGHS IN THE 70S TO LOWER 80S.
CAZ504-181100-
NORTH BAY INTERIOR MOUNTAINS-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....50-56.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........80-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH SHIFTING TO THE NORTH
UP TO 5 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTHWEST UP TO 5 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....78-86.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........35-45 PERCENT.
* 24 HR TREND......30 PERCENT DRIER.
* 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.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....54-63.
* MAX HUMIDITY........60 PERCENT EXCEPT 48-58 PERCENT ABOVE 2000
FEET.
* 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 EVENING.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........SUNNY.
* MAX TEMPERATURE.....83-91.
* MIN HUMIDITY........25-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE 50S TO
MID 60S.
SUNDAY
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO LOWER 60S. HIGHS IN THE MID 70S TO LOWER 80S.
MONDAY
MOSTLY CLEAR. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO LOWER 60S. HIGHS IN THE 70S TO MID 80S.
TUESDAY
MOSTLY CLEAR. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO MID 60S. HIGHS IN THE 70S TO UPPER 80S.
CAZ006-181100-
SAN FRANCISCO-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....55-60.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90-100 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....65-72.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........75-85 PERCENT.
* 24 HR TREND......10 PERCENT DRIER.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....55-60.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 10 TO 20 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....67-75.
* MIN HUMIDITY........75-85 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE UPPER 50S.
SUNDAY
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
UPPER 50S. HIGHS IN THE 60S.
MONDAY
MOSTLY CLOUDY. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE UPPER 50S. HIGHS IN THE 60S.
TUESDAY
PARTLY CLOUDY. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 60S TO LOWER 70S.
CAZ509-181100-
SAN FRANCISCO PENINSULA COAST-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG.
* MIN TEMPERATURE.....51-56.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....65-73.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........75-85 PERCENT.
* 24 HR TREND......10 PERCENT DRIER.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....51-56.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....67-75.
* MIN HUMIDITY........70-80 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN THE 50S.
SUNDAY
MOSTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S. HIGHS IN THE 60S.
MONDAY
MOSTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH. LOWS
IN THE 50S. HIGHS IN THE 60S TO LOWER 70S.
TUESDAY
MOSTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH.
LOWS IN THE 50S. HIGHS IN THE MID 60S TO LOWER 70S.
CAZ508-181100-
SAN FRANCISCO BAY SHORELINE-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* 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.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....73-81.
* 24 HR TREND......5 DEGREES WARMER.
* MIN HUMIDITY........55-65 PERCENT.
* 24 HR TREND......5 PERCENT DRIER.
* 20-FOOT WINDS.......WEST WINDS UP TO 5 MPH INCREASING TO 10 TO 15
MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....54-59.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY. PATCHY FOG
EARLY IN THE MORNING.
* MAX TEMPERATURE.....76-84.
* MIN HUMIDITY........55-65 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE MID 50S TO
LOWER 60S.
SUNDAY
MOSTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE MID
50S TO LOWER 60S. HIGHS IN THE UPPER 60S TO MID 70S.
MONDAY
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO LOWER 60S. HIGHS IN THE UPPER 60S TO MID 70S.
TUESDAY
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN
THE 50S TO LOWER 60S. HIGHS IN THE 70S.
CAZ510-181100-
EAST BAY INTERIOR VALLEYS-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....54-59.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........80-100 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....79-87.
* 24 HR TREND......9 DEGREES WARMER.
* MIN HUMIDITY........35-45 PERCENT.
* 24 HR TREND......10 PERCENT DRIER.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....56-61.
* MAX HUMIDITY........80-100 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....84-92.
* MIN HUMIDITY........35-45 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN THE 50S TO
MID 60S.
SUNDAY
NOT AS WARM. PARTLY CLOUDY. SOUTHWEST WINDS 10 TO
20 MPH. LOWS IN THE 50S TO MID 60S. HIGHS IN THE 70S TO LOWER
80S.
MONDAY
PARTLY CLOUDY. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE MID 50S TO LOWER 60S. HIGHS IN THE 70S TO LOWER 80S.
TUESDAY
MOSTLY CLEAR. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO MID 60S. HIGHS IN THE UPPER 70S TO MID 80S.
CAZ513-181100-
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....51-56.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....79-85.
* 24 HR TREND......5 DEGREES WARMER.
* MIN HUMIDITY........40-50 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
PATCHY FOG EARLY IN THE MORNING.
* MIN TEMPERATURE.....52-57.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG EARLY IN THE
MORNING.
* MAX TEMPERATURE.....83-89.
* MIN HUMIDITY........40-50 PERCENT.
* 20-FOOT WINDS.......SOUTH WINDS UP TO 5 MPH SHIFTING TO THE WEST
5 TO 10 MPH IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE MID 50S.
SUNDAY
MOSTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S.
HIGHS IN THE MID 70S TO LOWER 80S.
MONDAY
PARTLY CLOUDY. PATCHY FOG. SOUTHWEST WINDS 5 TO 15 MPH.
LOWS IN THE 50S. HIGHS IN THE MID 70S TO LOWER 80S.
TUESDAY
MOSTLY CLEAR. PATCHY FOG. SOUTHWEST WINDS 5 TO 15 MPH.
LOWS IN THE 50S. HIGHS IN THE 70S TO UPPER 80S.
CAZ512-181100-
SANTA CRUZ MOUNTAINS-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....50-56.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........70-90 PERCENT EXCEPT 60-80 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 25
MPH IN THE EVENING.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....74-82.
* 24 HR TREND......8 DEGREES WARMER.
* MIN HUMIDITY........45-55 PERCENT.
* 24 HR TREND......20 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....52-58.
* MAX HUMIDITY........70-90 PERCENT EXCEPT 55-75 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG EARLY IN THE
MORNING.
* MAX TEMPERATURE.....76-84.
* MIN HUMIDITY........45-55 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE 50S TO
LOWER 60S.
SUNDAY
MOSTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO LOWER 60S. HIGHS IN THE UPPER 60S TO MID 70S.
MONDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO UPPER 50S. HIGHS IN THE UPPER 60S TO MID 70S.
TUESDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO LOWER 60S. HIGHS IN THE 70S TO LOWER 80S.
CAZ515-181100-
EAST BAY HILLS-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....52-58 EXCEPT 45-55 ABOVE 2000 FEET.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........80-100 PERCENT EXCEPT 70-90 PERCENT ABOVE
2000 FEET.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH WITH GUSTS TO 20 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....75-83.
* 24 HR TREND......5 DEGREES WARMER.
* MIN HUMIDITY........40-50 PERCENT.
* 24 HR TREND......10 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH AND GUSTS TO AROUND
20 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH WITH GUSTS 20 TO 30
MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....54-60.
* MAX HUMIDITY........65-85 PERCENT EXCEPT 50-70 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO 20
MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO 20
MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-88.
* MIN HUMIDITY........40-50 PERCENT EXCEPT 30-40 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH
IN THE MORNING.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH WITH GUSTS 20 TO 30
MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN THE 50S TO
MID 60S.
SUNDAY
MOSTLY CLOUDY. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE 50S TO LOWER 60S. HIGHS IN THE 70S.
MONDAY
PARTLY CLOUDY. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE 50S TO LOWER 60S. HIGHS IN THE 70S TO LOWER 80S.
TUESDAY
MOSTLY CLEAR. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO MID 60S. HIGHS IN THE 70S TO MID 80S.
CAZ514-181100-
EASTERN SANTA CLARA HILLS-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....47-53.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........80-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING DOWNVALLEY 2 TO 6 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE EVENING.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....76-84.
* 24 HR TREND......8 DEGREES WARMER.
* MIN HUMIDITY........30 PERCENT EXCEPT 40 PERCENT ABOVE 2000 FEET.
* 24 HR TREND......20 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 25
MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....52-57.
* MAX HUMIDITY........70 PERCENT EXCEPT 50-60 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE EVENING.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH
IN THE EVENING.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....81-89.
* MIN HUMIDITY........20 PERCENT EXCEPT 30 PERCENT ABOVE 2000 FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPVALLEY 3 TO 7 MPH BECOMING WEST 5 TO 10
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S TO MID
60S.
SUNDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO LOWER 60S. HIGHS IN THE MID 70S TO LOWER 80S.
MONDAY
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO LOWER 60S. HIGHS IN THE MID 70S TO LOWER 80S.
TUESDAY
MOSTLY CLEAR. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO LOWER 60S. HIGHS IN THE 70S TO UPPER 80S.
CAZ529-181100-
NORTHERN MONTEREY BAY-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....49-54.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTHEAST UP TO 5 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....72-80.
* 24 HR TREND......6 DEGREES WARMER.
* MIN HUMIDITY........55-65 PERCENT.
* 24 HR TREND......20 PERCENT DRIER.
* 20-FOOT WINDS.......NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
WEST 5 TO 10 MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....51-56.
* MAX HUMIDITY........100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTHEAST UP TO 5 MPH AFTER MIDNIGHT.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY. PATCHY FOG
IN THE MORNING.
* MAX TEMPERATURE.....72-80.
* MIN HUMIDITY........60-70 PERCENT.
* 20-FOOT WINDS.......NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE
WEST 5 TO 10 MPH IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH. LOWS IN THE
MID 50S.
SUNDAY
MOSTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH. LOWS
IN THE MID 50S. HIGHS IN THE 60S TO UPPER 70S.
MONDAY
PARTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH. LOWS
IN THE 50S. HIGHS IN THE MID 60S TO LOWER 70S.
TUESDAY
PARTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH.
LOWS IN THE 50S. HIGHS IN THE UPPER 60S TO MID 70S.
CAZ530-181100-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....50-55.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........100 PERCENT EXCEPT BIG SUR 90 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH SHIFTING TO THE EAST
5 TO 10 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....64-69 EXCEPT BIG SUR 71-76.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........80 PERCENT EXCEPT BIG SUR 50 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......NORTH WINDS 5 TO 10 MPH SHIFTING TO THE WEST
10 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....52-57.
* MAX HUMIDITY........100 PERCENT EXCEPT BIG SUR 80 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....65-70 EXCEPT BIG SUR 74-79.
* MIN HUMIDITY........70 PERCENT EXCEPT BIG SUR 50 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE 50S TO MID
60S.
SUNDAY
MOSTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO MID 60S. HIGHS IN THE 60S TO MID 70S.
MONDAY
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
50S. HIGHS IN THE 60S TO LOWER 70S.
TUESDAY
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN
THE 50S TO LOWER 60S. HIGHS IN THE 60S TO MID 70S.
CAZ528-181100-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....49-54.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....74-82.
* 24 HR TREND......4 DEGREES WARMER.
* MIN HUMIDITY........50-60 PERCENT.
* 24 HR TREND......10 PERCENT DRIER.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH INCREASING TO 10
TO 20 MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....51-56.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 10 TO 20 MPH DECREASING TO 5 TO 10
MPH AFTER MIDNIGHT.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY. PATCHY FOG
EARLY IN THE MORNING.
* MAX TEMPERATURE.....76-84.
* MIN HUMIDITY........45-55 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE MID 50S.
SUNDAY
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
50S. HIGHS IN THE 70S.
MONDAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE MID
50S. HIGHS IN THE 70S.
TUESDAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
50S. HIGHS IN THE MID 70S TO LOWER 80S.
CAZ516-181100-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....47-52.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....79-87.
* 24 HR TREND......6 DEGREES WARMER.
* MIN HUMIDITY........30-40 PERCENT.
* 24 HR TREND......10 PERCENT DRIER.
* 20-FOOT WINDS.......NORTHWEST WINDS UP TO 5 MPH INCREASING TO 15
TO 25 MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....49-54.
* MAX HUMIDITY........80-100 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 15 TO 25 MPH DECREASING TO 5
TO 10 MPH AFTER MIDNIGHT.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG EARLY IN THE
MORNING.
* MAX TEMPERATURE.....85-93.
* MIN HUMIDITY........25-35 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN THE 50S.
SUNDAY
PARTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE 40S TO UPPER 50S. HIGHS IN THE 80S.
MONDAY
MOSTLY CLEAR. PATCHY FOG. NORTHWEST WINDS 10 TO 20 MPH.
LOWS IN THE UPPER 40S TO MID 50S. HIGHS IN THE 70S TO UPPER 80S.
TUESDAY
MOSTLY CLEAR. PATCHY FOG. NORTHWEST WINDS 10 TO
20 MPH. LOWS IN THE 40S TO UPPER 50S. HIGHS IN THE MID 80S TO
LOWER 90S.
CAZ517-181100-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....48-56.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........75-95 PERCENT EXCEPT 60-70 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS AROUND 5 TO 10 MPH WITH
GUSTS TO 15 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....76-84.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........30-40 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 10 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....52-61.
* MAX HUMIDITY........55-75 PERCENT EXCEPT 40-50 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 30
MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-88.
* MIN HUMIDITY........30-40 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.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE 50S TO
MID 60S.
SUNDAY
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO MID 60S. HIGHS IN THE 70S TO LOWER 80S.
MONDAY
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO LOWER 60S. HIGHS IN THE 70S.
TUESDAY
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO MID 60S. HIGHS IN THE 70S TO MID 80S.
CAZ518-181100-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL PARK-
351 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....47-54.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........80-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 30
MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........3000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....77-85.
* 24 HR TREND......6 DEGREES WARMER.
* MIN HUMIDITY........30-40 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 35
MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........2500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....51-58.
* MAX HUMIDITY........65-85 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 30
MPH IN THE EVENING.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....83-91.
* MIN HUMIDITY........25-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS 20 TO
30 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE 50S TO
MID 60S.
SUNDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO LOWER 60S. HIGHS IN THE MID 70S TO LOWER 80S.
MONDAY
MOSTLY CLEAR. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO LOWER 60S. HIGHS IN THE 70S TO LOWER 80S.
TUESDAY
MOSTLY CLEAR. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO MID 60S. HIGHS IN THE UPPER 70S TO MID 80S.
NOAA'S NWS ON THE WEB AT WWW.WEATHER.GOV/SANFRANCISCO
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