408
FNUS56 KMTR 202159
FWFMTR
FIRE WEATHER PLANNING FORECAST FOR THE SAN FRANCISCO BAY AREA AND
CENTRAL CALIFORNIA COAST
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
259 PM PDT THU AUG 20 2026
DISCUSSION
THE MARINE LAYER DEPTH IS NEAR 1500 FEET. EXPECT
POOR OVERNIGHT RECOVERIES (20-30%) AND POOR DAYTIME HUMIDITY
RETENTION (10-30%) TO CONTINUE ABOVE THE MARINE LAYER. DRY AND HOT
WEATHER WILL CONTINUE INLAND WHILE COOLER, MARITIME INFLUENCED
WEATHER CONTINUES CLOSEST TO THE COAST AND BAYS. AN UPPER LEVEL
TROUGH OVER THE EASTERN PACIFIC WILL MOVE NORTHEASTWARD THROUGH
LATE WEEK AND THE WEEKEND, NUDGING THE FOUR CORNERS HIGH PRESSURE
SYSTEM SLIGHTLY EASTWARD.
NOTE : ALL WINDS ARE 20-FOOT WINDS UNLESS OTHERWISE SPECIFIED.
THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS.
CAZ505-211000-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....50-55.
* 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........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....61-69.
* 24 HR TREND......4 DEGREES COOLER.
* MIN HUMIDITY........85-95 PERCENT.
* 24 HR TREND......20 PERCENT DRIER.
* 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....49-54.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....64-72.
* MIN HUMIDITY........75-85 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN THE MID 50S.
SUNDAY
MOSTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S.
HIGHS IN THE 60S TO LOWER 70S.
MONDAY
MOSTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH. LOWS
IN THE 50S. HIGHS IN THE 50S TO UPPER 60S.
TUESDAY
MOSTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH.
LOWS IN THE 50S. HIGHS IN THE 60S.
CAZ503-211000-
SONOMA COASTAL RANGE-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....53-58.
* 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........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....73-81.
* 24 HR TREND......5 DEGREES COOLER.
* MIN HUMIDITY........55-65 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 15 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....49-54.
* MAX HUMIDITY........80-100 PERCENT.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....77-85.
* MIN HUMIDITY........45-55 PERCENT.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 15 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.
SUNDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S.
HIGHS IN THE 70S TO MID 80S.
MONDAY
PARTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH. LOWS
IN THE 50S. HIGHS IN THE 70S.
TUESDAY
PARTLY CLOUDY. PATCHY FOG. NORTHWEST WINDS 5 TO
15 MPH. LOWS IN THE 50S. HIGHS IN THE 70S TO LOWER 80S.
CAZ502-211000-
MARIN COASTAL RANGE-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....51-56 EXCEPT 58-63 ABOVE 2000 FEET.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90-100 PERCENT EXCEPT 30-40 PERCENT ABOVE
2000 FEET.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 15 MPH. GUSTS UP TO 20 MPH
IN THE EVENING.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY.
* MAX TEMPERATURE.....69-77.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........60-70 PERCENT EXCEPT 40-50 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 10 TO 15 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 10 TO 15 MPH WITH GUSTS 20 TO 30
MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....50-55 EXCEPT 57-62 ABOVE 2000 FEET.
* MAX HUMIDITY........90-100 PERCENT EXCEPT 30-40 PERCENT ABOVE
2000 FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 10 TO 15 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 10 TO 15 MPH AND GUSTY.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....74-82.
* MIN HUMIDITY........50-60 PERCENT EXCEPT 40 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 15 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 10 TO 15 MPH AND GUSTS TO AROUND
20 MPH.
* 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
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO LOWER 60S. HIGHS IN THE 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
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
50S TO LOWER 60S. HIGHS IN THE 60S TO UPPER 70S.
CAZ506-211000-
NORTH BAY INTERIOR VALLEYS-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....51-56.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....76-84.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........55-65 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....49-54.
* 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.....78-86.
* 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
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S.
SUNDAY
PARTLY CLOUDY. PATCHY FOG. SOUTHWEST 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 40S TO UPPER 50S. HIGHS IN THE 70S.
TUESDAY
MOSTLY CLOUDY. AREAS OF FOG. PATCHY FOG. SOUTHWEST
WINDS 5 TO 15 MPH. LOWS IN THE 40S TO UPPER 50S. HIGHS IN THE
70S.
CAZ504-211000-
NORTH BAY INTERIOR MOUNTAINS-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....54-64.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........50-70 PERCENT EXCEPT 35-45 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......10 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTHWEST UP TO 5 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY.
* MAX TEMPERATURE.....79-87.
* 24 HR TREND......5 DEGREES WARMER.
* MIN HUMIDITY........35-45 PERCENT.
* 24 HR TREND......20 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....51-59.
* MAX HUMIDITY........70-90 PERCENT EXCEPT 35-45 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 15 MPH. GUSTS UP TO 20 MPH
IN THE EVENING.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....81-89.
* MIN HUMIDITY........30-40 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 15 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. WEST WINDS 5 TO 15 MPH. LOWS IN
THE 50S TO LOWER 60S.
SUNDAY
MOSTLY CLEAR. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO MID 60S. HIGHS IN THE 80S.
MONDAY
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO MID 60S. HIGHS IN THE 70S TO MID 80S.
TUESDAY
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN
THE 50S TO MID 60S. HIGHS IN THE UPPER 70S TO MID 80S.
CAZ006-211000-
SAN FRANCISCO-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....54-59.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......WEST WINDS 10 TO 20 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY.
* MAX TEMPERATURE.....62-68.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........80-90 PERCENT.
* 24 HR TREND......10 PERCENT DRIER.
* 20-FOOT WINDS.......WEST WINDS 10 TO 20 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 10 TO 20 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....63-70.
* MIN HUMIDITY........75-85 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 10 TO 20 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
PARTLY 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 TO LOWER 70S.
MONDAY
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
UPPER 50S. HIGHS IN THE LOWER TO MID 60S.
TUESDAY
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
UPPER 50S. HIGHS IN THE 60S.
CAZ509-211000-
SAN FRANCISCO PENINSULA COAST-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....52-57.
* 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........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY.
* MAX TEMPERATURE.....62-70.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........80-90 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....51-56.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....63-71.
* MIN HUMIDITY........75-85 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 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. PATCHY FOG. WEST WINDS 5 TO 15 MPH. LOWS
IN THE 50S. HIGHS IN THE 60S.
MONDAY
MOSTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S.
HIGHS IN THE 60S.
TUESDAY
MOSTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN
THE 50S. HIGHS IN THE 60S.
CAZ508-211000-
SAN FRANCISCO BAY SHORELINE-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....54-59.
* 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........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY.
* MAX TEMPERATURE.....69-77.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........65-75 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY.
* MAX TEMPERATURE.....71-79.
* MIN HUMIDITY........55-65 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE 50S.
SUNDAY
PARTLY CLOUDY. WEST 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 50S
TO LOWER 60S. HIGHS IN THE UPPER 60S TO MID 70S.
TUESDAY
MOSTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE
50S. HIGHS IN THE UPPER 60S TO MID 70S.
CAZ510-211000-
EAST BAY INTERIOR VALLEYS-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....56-62.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........80-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 20 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY.
* MAX TEMPERATURE.....78-86.
* 24 HR TREND......5 DEGREES COOLER.
* MIN HUMIDITY........45-55 PERCENT.
* 24 HR TREND......20 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 20 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....55-61.
* MAX HUMIDITY........80-100 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 20 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-88.
* MIN HUMIDITY........35-45 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 20 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. SOUTHWEST WINDS 10 TO 20 MPH.
LOWS IN THE MID 50S TO LOWER 60S.
SUNDAY
PARTLY CLOUDY. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE 50S TO MID 60S. HIGHS IN THE UPPER 70S TO MID 80S.
MONDAY
PARTLY CLOUDY. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE 50S TO MID 60S. HIGHS IN THE MID 70S TO LOWER 80S.
TUESDAY
PARTLY CLOUDY. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE 50S TO LOWER 60S. HIGHS IN THE 70S TO MID 80S.
CAZ513-211000-
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....54-59.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY.
* MAX TEMPERATURE.....78-86.
* 24 HR TREND......4 DEGREES COOLER.
* MIN HUMIDITY........45-55 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........90 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....79-87.
* MIN HUMIDITY........45-55 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS
IN THE MID TO UPPER 50S.
SUNDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE MID
50S TO LOWER 60S. HIGHS IN THE UPPER 70S TO MID 80S.
MONDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO LOWER 60S. HIGHS IN THE 70S TO MID 80S.
TUESDAY
PARTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH.
LOWS IN THE 50S. HIGHS IN THE UPPER 70S TO MID 80S.
CAZ512-211000-
SANTA CRUZ MOUNTAINS-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....53-63.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........60-80 PERCENT EXCEPT 40-50 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 15 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY.
* MAX TEMPERATURE.....74-82.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........45-55 PERCENT EXCEPT 35-45 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....53-60.
* MAX HUMIDITY........60-80 PERCENT EXCEPT 45-55 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....75-83.
* MIN HUMIDITY........40-50 PERCENT EXCEPT 30-40 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS
IN THE 50S TO LOWER 60S.
SUNDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO MID 60S. HIGHS IN THE 70S.
MONDAY
PARTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH. LOWS
IN THE 50S TO MID 60S. HIGHS IN THE 60S TO UPPER 70S.
TUESDAY
PARTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH.
LOWS IN THE 50S TO LOWER 60S. HIGHS IN THE 70S.
CAZ515-211000-
EAST BAY HILLS-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....55-63.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........60-80 PERCENT EXCEPT 33-43 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 35 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY.
* MAX TEMPERATURE.....74-82.
* 24 HR TREND......5 DEGREES COOLER.
* MIN HUMIDITY........55-65 PERCENT EXCEPT 35-45 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 35 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....54-61.
* MAX HUMIDITY........63-83 PERCENT EXCEPT 38-48 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 35 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....77-85.
* MIN HUMIDITY........40-50 PERCENT EXCEPT 25-35 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. SOUTHWEST WINDS 10 TO 20 MPH.
LOWS IN THE 50S TO MID 60S.
SUNDAY
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO MID 60S. HIGHS IN THE 70S TO MID 80S.
MONDAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE 50S
TO MID 60S. HIGHS IN THE 70S TO LOWER 80S.
TUESDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO MID 60S. HIGHS IN THE MID 70S TO LOWER 80S.
CAZ514-211000-
EASTERN SANTA CLARA HILLS-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....54-59 EXCEPT 59-64 ABOVE 2000 FEET.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........40 PERCENT EXCEPT 30 PERCENT ABOVE 2000 FEET.
* 24 HR TREND......5 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 5 MPH IN THE EVENING
BECOMING DOWNVALLEY 2 TO 6 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY.
* MAX TEMPERATURE.....84-89 EXCEPT 81-86 ABOVE 2000 FEET.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........20 PERCENT EXCEPT 25-35 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......5 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 15 MPH WITH GUSTS 20 TO 30
MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....53-59.
* MAX HUMIDITY........50 PERCENT EXCEPT 35-45 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 15 MPH WITH GUSTS TO 20 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....83-88 EXCEPT 80-85 ABOVE 2000 FEET.
* MIN HUMIDITY........25-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 15 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. WEST 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 MID 60S. HIGHS IN THE 80S.
MONDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO MID 60S. HIGHS IN THE UPPER 70S TO MID 80S.
TUESDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO MID 60S. HIGHS IN THE 70S TO UPPER 80S.
CAZ529-211000-
NORTHERN MONTEREY BAY-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY 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.......SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTHWEST UP TO 5 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....70-78.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........65-75 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......NORTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG EARLY IN THE
MORNING.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTH 5 TO 10 MPH AFTER MIDNIGHT.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG EARLY IN THE
MORNING.
* MAX TEMPERATURE.....72-80.
* MIN HUMIDITY........55-65 PERCENT.
* 20-FOOT WINDS.......NORTH WINDS UP TO 5 MPH SHIFTING TO THE WEST
10 TO 15 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 UPPER
50S.
SUNDAY
MOSTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH. LOWS
IN THE MID 50S. HIGHS IN THE UPPER 60S TO MID 70S.
MONDAY
MOSTLY CLOUDY. AREAS OF FOG. PATCHY FOG. WEST WINDS
5 TO 15 MPH. LOWS IN THE 50S. HIGHS IN THE 60S TO MID 70S.
TUESDAY
MOSTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH.
LOWS IN THE 50S. HIGHS IN THE UPPER 60S TO MID 70S.
CAZ530-211000-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....53-58.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........100 PERCENT EXCEPT BIG SUR 70 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........PARTLY SUNNY.
* MAX TEMPERATURE.....61-66 EXCEPT BIG SUR 69-74.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........80 PERCENT EXCEPT BIG SUR 60 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........100 PERCENT EXCEPT BIG SUR 80 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....62-67 EXCEPT BIG SUR 70-75.
* MIN HUMIDITY........80 PERCENT EXCEPT BIG SUR 50 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 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 LOWER
60S.
SUNDAY
MOSTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO LOWER 60S. HIGHS IN THE MID 60S TO LOWER 70S.
MONDAY
MOSTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO LOWER 60S. HIGHS IN THE 60S TO LOWER 70S.
TUESDAY
MOSTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH.
LOWS IN THE 50S TO LOWER 60S. HIGHS IN THE 60S TO LOWER 70S.
CAZ528-211000-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....52-57.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90-100 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....71-79.
* 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...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....52-57.
* 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.....73-81.
* MIN HUMIDITY........50-60 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH INCREASING TO 10 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.
SUNDAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
50S. HIGHS IN THE 70S TO LOWER 80S.
MONDAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
50S. HIGHS IN THE 70S.
TUESDAY
MOSTLY CLOUDY. PATCHY FOG. WEST WINDS 10 TO 20 MPH.
LOWS IN THE 50S. HIGHS IN THE 70S.
CAZ516-211000-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....53-58.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........75-95 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....86-94.
* 24 HR TREND......4 DEGREES COOLER.
* MIN HUMIDITY........35-45 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS UP TO 5 MPH INCREASING TO 10
TO 15 MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....53-58.
* MAX HUMIDITY........75-95 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 10 TO 20 MPH DECREASING TO 5
TO 10 MPH AFTER MIDNIGHT.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....85-93.
* MIN HUMIDITY........35-45 PERCENT.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH INCREASING TO 10
TO 20 MPH IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. NORTHWEST WINDS 15 TO 25 MPH.
LOWS IN THE 50S.
SUNDAY
PARTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE 50S. HIGHS IN THE MID 80S TO LOWER 90S.
MONDAY
PARTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE 40S TO UPPER 50S. HIGHS IN THE 80S TO LOWER 90S.
TUESDAY
PARTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE 40S TO UPPER 50S. HIGHS IN THE MID 80S TO LOWER 90S.
CAZ517-211000-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE.
* MIN TEMPERATURE.....56-66 EXCEPT 66-72 ABOVE 2000 FEET.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........48-58 PERCENT EXCEPT 20-30 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 15 MPH. GUSTS UP TO 25
MPH IN THE EVENING.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....83-91.
* 24 HR TREND......13 DEGREES COOLER.
* MIN HUMIDITY........35-45 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE EARLY IN THE
EVENING. PATCHY SMOKE LATE IN THE EVENING.
* MIN TEMPERATURE.....54-64 EXCEPT 64-71 ABOVE 2000 FEET.
* MAX HUMIDITY........50-70 PERCENT EXCEPT 20-30 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 30
MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....83-91.
* MIN HUMIDITY........30-40 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS 20 TO
30 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS
IN THE 60S TO LOWER 70S.
SUNDAY
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
60S TO LOWER 70S. HIGHS IN THE 70S TO MID 80S.
MONDAY
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO MID 60S. HIGHS IN THE MID 70S TO LOWER 80S.
TUESDAY
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
50S TO MID 60S. HIGHS IN THE UPPER 70S TO MID 80S.
CAZ518-211000-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL PARK-
259 PM PDT THU AUG 20 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....57-67.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........45-55 PERCENT EXCEPT 25-35 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......5 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE EVENING.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 30
MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....85-93.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........25-35 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 5 MPH INCREASING TO 5
TO 10 MPH IN THE AFTERNOON. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 5 MPH INCREASING TO
WEST 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1500 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....56-66.
* MAX HUMIDITY........50-70 PERCENT EXCEPT 30-40 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 30
MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....84-92.
* MIN HUMIDITY........25-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 30
MPH IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS
IN THE 50S TO UPPER 60S.
SUNDAY
MOSTLY CLEAR. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO UPPER 60S. HIGHS IN THE UPPER 70S TO MID 80S.
MONDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO UPPER 60S. HIGHS IN THE UPPER 70S TO MID 80S.
TUESDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S
TO UPPER 60S. HIGHS IN THE UPPER 70S TO MID 80S.
NOAA'S NWS ON THE WEB AT WWW.WEATHER.GOV/SANFRANCISCO
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