458  
FNUS56 KMTR 201156  
FWFMTR  
 
FIRE WEATHER PLANNING FORECAST FOR THE SAN FRANCISCO BAY AREA AND  
CENTRAL CALIFORNIA COAST  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
456 AM PDT THU AUG 20 2026  
   
DISCUSSION  
THE MARINE LAYER REMAINS COMPRESSED TO AROUND 1000  
FEET WITH POOR OVERNIGHT RECOVERIES (20-30%) AND POOR DAYTIME  
HUMIDITY RETENTION (10-30%) CONTINUING ABOVE IT. CONDITIONS  
IMPROVE SLIGHTLY FRIDAY INTO THE WEEKEND AS THE MARINE LAYER  
DEEPENS TO BETWEEN 1000 TO 1500 FEET. THIS IS CAUSED BY AN  
APPROACHING UPPER LEVEL TROUGH THAT WILL BRING A COOLING TREND,  
IMPROVING DAYTIME AND OVERNIGHT RH VALUES, CLOUDY MORNINGS, AND  
DIURNALLY BREEZY AFTERNOON AND EVENING WINDS ACROSS FAVORED  
LOCATIONS. THE ONE EXCEPTION WILL BE THE INTERIOR CENTRAL COAST  
WHERE HOT, DRY DAYTIME CONDITIONS PREVAIL THROUGH THE FORECAST  
PERIOD.  
 
NOTE : ALL WINDS ARE 20-FOOT WINDS UNLESS OTHERWISE SPECIFIED.  
THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS.  
 
 
 
CAZ505-210000-  
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....62-70.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY........85-95 PERCENT.  
* 24 HR TREND......30 PERCENT WETTER.  
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1200 FT ASL.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* MIN TEMPERATURE.....51-56.  
* 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.....62-70.  
* MIN HUMIDITY........85-95 PERCENT.  
* 20-FOOT WINDS.......WEST WINDS 10 TO 20 MPH.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN  
THE LOWER TO MID 50S.    
SATURDAY  
PARTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN  
THE LOWER TO MID 50S. HIGHS IN THE 60S TO LOWER 70S.    
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 60S.  
 
 
 
CAZ503-210000-  
SONOMA COASTAL RANGE-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....77-85.  
* 24 HR TREND......7 DEGREES COOLER.  
* MIN HUMIDITY........50-60 PERCENT.  
* 24 HR TREND......10 PERCENT WETTER.  
* 20-FOOT WINDS.......  
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE  
SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1200 FT ASL.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* MIN TEMPERATURE.....55-60.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY........70-90 PERCENT.  
* 24 HR TREND......LITTLE CHANGE.  
* 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.........CLOUDY THEN BECOMING PARTLY SUNNY.  
* MAX TEMPERATURE.....75-83.  
* MIN HUMIDITY........50-60 PERCENT.  
* 20-FOOT WINDS.......  
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH  
IN THE AFTERNOON.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS  
IN THE UPPER 40S TO MID 50S.    
SATURDAY  
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN  
THE 50S TO LOWER 60S. HIGHS IN THE 70S TO MID 80S.    
SUNDAY  
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE  
50S TO LOWER 60S. HIGHS IN THE 70S TO MID 80S.    
MONDAY  
PARTLY CLOUDY. PATCHY FOG. SOUTHWEST WINDS 5 TO 15 MPH.  
LOWS IN THE 50S. HIGHS IN THE 70S.  
 
 
 
CAZ502-210000-  
MARIN COASTAL RANGE-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....72-80.  
* 24 HR TREND......7 DEGREES COOLER.  
* 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 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........1200 FT ASL.  
   
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 50-60 PERCENT ABOVE  
2000 FEET.  
* 24 HR TREND......LITTLE CHANGE.  
* 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.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1500 FT ASL.  
   
FRIDAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....70-78.  
* MIN HUMIDITY........60-70 PERCENT EXCEPT 40-50 PERCENT ABOVE 2000  
FEET.  
* 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. GUSTS UP TO 25 MPH  
IN THE AFTERNOON.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE 50S TO LOWER 60S.    
SATURDAY  
MOSTLY CLEAR. WEST WINDS 10 TO 20 MPH. LOWS IN THE  
50S TO LOWER 60S. HIGHS IN THE 70S.    
SUNDAY  
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S  
TO LOWER 60S. HIGHS IN THE 70S TO LOWER 80S.    
MONDAY  
MOSTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S  
TO LOWER 60S. HIGHS IN THE UPPER 60S TO MID 70S.  
 
 
 
CAZ506-210000-  
NORTH BAY INTERIOR VALLEYS-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.....77-85.  
* 24 HR TREND......5 DEGREES COOLER.  
* MIN HUMIDITY........50-60 PERCENT.  
* 24 HR TREND......20 PERCENT WETTER.  
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1200 FT ASL.  
   
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.......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 EARLY IN THE  
MORNING.  
* MAX TEMPERATURE.....77-85.  
* MIN HUMIDITY........45-55 PERCENT.  
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 40S TO UPPER 50S.    
SATURDAY  
MOSTLY CLEAR. WEST WINDS 5 TO 15 MPH. LOWS IN THE 40S  
TO UPPER 50S. HIGHS IN THE 70S TO MID 80S.    
SUNDAY  
PARTLY CLOUDY. PATCHY FOG. SOUTHWEST WINDS 5 TO 15 MPH.  
LOWS IN THE 50S. HIGHS IN THE 70S TO MID 80S.    
MONDAY  
MOSTLY CLOUDY. PATCHY FOG. SOUTHWEST WINDS 5 TO 15 MPH.  
LOWS IN THE 50S. HIGHS IN THE 70S.  
 
 
 
CAZ504-210000-  
NORTH BAY INTERIOR MOUNTAINS-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....82-90.  
* 24 HR TREND......13 DEGREES COOLER.  
* MIN HUMIDITY........35-45 PERCENT.  
* 24 HR TREND......10 PERCENT WETTER.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1200 FT ASL.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* MIN TEMPERATURE.....56-66.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY........60-70 PERCENT EXCEPT 48-58 PERCENT ABOVE 2000  
FEET.  
* 24 HR TREND......10 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 EVENING.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1500 FT ASL.  
   
FRIDAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....80-88.  
* MIN HUMIDITY........35-45 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.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
MOSTLY CLEAR. SOUTHWEST WINDS 5 TO 15 MPH. LOWS  
IN THE 50S TO LOWER 60S.    
SATURDAY  
MOSTLY CLEAR. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S  
TO LOWER 60S. HIGHS IN THE 70S TO UPPER 80S.    
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 UPPER 70S TO MID 80S.  
 
 
 
CAZ006-210000-  
SAN FRANCISCO-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* MAX TEMPERATURE.....61-68.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY........80-90 PERCENT.  
* 24 HR TREND......10 PERCENT WETTER.  
* 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1200 FT ASL.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* MIN TEMPERATURE.....54-59.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY........90-100 PERCENT.  
* 24 HR TREND......10 PERCENT WETTER.  
* 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.  
* MAX TEMPERATURE.....62-68.  
* MIN HUMIDITY........80-90 PERCENT.  
* 20-FOOT WINDS.......WEST WINDS 10 TO 20 MPH.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE UPPER 50S.    
SATURDAY  
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE  
UPPER 50S. HIGHS IN THE 60S TO LOWER 70S.    
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 60S.  
 
 
 
CAZ509-210000-  
SAN FRANCISCO PENINSULA COAST-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....63-71.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY........80-90 PERCENT.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1200 FT ASL.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* 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........1500 FT ASL.  
   
FRIDAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....62-70.  
* MIN HUMIDITY........80-90 PERCENT.  
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
MOSTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH. LOWS  
IN THE 50S.    
SATURDAY  
MOSTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN  
THE 50S. HIGHS IN THE 60S.    
SUNDAY  
MOSTLY CLOUDY. PATCHY FOG. NORTHWEST 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 60S.  
 
 
 
CAZ508-210000-  
SAN FRANCISCO BAY SHORELINE-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....70-78.  
* 24 HR TREND......4 DEGREES COOLER.  
* MIN HUMIDITY........65-75 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........1200 FT ASL.  
   
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.  
* MIN HUMIDITY........65-75 PERCENT.  
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE 50S TO LOWER 60S.    
SATURDAY  
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE  
50S TO LOWER 60S. HIGHS IN THE UPPER 60S TO MID 70S.    
SUNDAY  
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S  
TO LOWER 60S. HIGHS IN THE 60S TO UPPER 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.  
 
 
 
CAZ510-210000-  
EAST BAY INTERIOR VALLEYS-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....80-88.  
* 24 HR TREND......6 DEGREES COOLER.  
* MIN HUMIDITY........40-50 PERCENT.  
* 24 HR TREND......10 PERCENT WETTER.  
* 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1200 FT ASL.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* MIN TEMPERATURE.....56-62.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY........75-95 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.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....78-86.  
* MIN HUMIDITY........40-50 PERCENT.  
* 20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 20 MPH.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
MOSTLY CLEAR. SOUTHWEST WINDS 15 TO 25 MPH. LOWS  
IN THE MID 50S TO LOWER 60S.    
SATURDAY  
MOSTLY CLEAR. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN  
THE MID 50S TO LOWER 60S. HIGHS IN THE UPPER 70S TO MID 80S.    
SUNDAY  
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE 50S  
TO MID 60S. HIGHS IN THE UPPER 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 MID 80S.  
 
 
 
CAZ513-210000-  
SANTA CLARA VALLEY...INCLUDING SAN JOSE-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....81-89.  
* 24 HR TREND......4 DEGREES COOLER.  
* MIN HUMIDITY........45-55 PERCENT.  
* 24 HR TREND......10 PERCENT WETTER.  
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1200 FT ASL.  
   
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.....79-87.  
* MIN HUMIDITY........45-55 PERCENT.  
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
MOSTLY CLEAR. NORTHWEST WINDS 10 TO 20 MPH. LOWS  
IN THE MID TO UPPER 50S.    
SATURDAY  
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN  
THE MID TO UPPER 50S. HIGHS IN THE UPPER 70S TO MID 80S.    
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 MID  
50S TO LOWER 60S. HIGHS IN THE UPPER 70S TO MID 80S.  
 
 
 
CAZ512-210000-  
SANTA CRUZ MOUNTAINS-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....75-83.  
* 24 HR TREND......4 DEGREES COOLER.  
* MIN HUMIDITY........50-60 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 10 MPH. GUSTS UP TO 20  
MPH IN THE AFTERNOON.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1200 FT ASL.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* MIN TEMPERATURE.....54-64.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY........60-80 PERCENT EXCEPT 45-55 PERCENT ABOVE 2000  
FEET.  
* 24 HR TREND......20 PERCENT DRIER.  
* 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.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1500 FT ASL.  
   
FRIDAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....74-82.  
* MIN HUMIDITY........45-55 PERCENT EXCEPT 35-45 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 AFTERNOON.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS  
IN THE 50S TO LOWER 60S.    
SATURDAY  
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN  
THE 50S TO MID 60S. HIGHS IN THE 70S.    
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 70S.  
 
 
 
CAZ515-210000-  
EAST BAY HILLS-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....73-81 EXCEPT 81-89 ABOVE 2000 FEET.  
* 24 HR TREND......5 DEGREES COOLER.  
* MIN HUMIDITY........50-60 PERCENT EXCEPT 25-35 PERCENT ABOVE 2000  
FEET.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1200 FT ASL.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* MIN TEMPERATURE.....56-64.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY........60-80 PERCENT EXCEPT 35-45 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 10 TO 20 MPH WITH GUSTS TO  
AROUND 30 MPH.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1500 FT ASL.  
   
FRIDAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....71-79 EXCEPT 77-85 ABOVE 2000 FEET.  
* MIN HUMIDITY........45-55 PERCENT EXCEPT 25-35 PERCENT ABOVE 2000  
FEET.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
MOSTLY CLEAR. SOUTHWEST WINDS 10 TO 20 MPH. LOWS  
IN THE 50S TO MID 60S.    
SATURDAY  
MOSTLY CLEAR. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN  
THE 50S TO MID 60S. HIGHS IN THE MID 70S TO LOWER 80S.    
SUNDAY  
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S  
TO MID 60S. HIGHS IN THE UPPER 70S TO MID 80S.    
MONDAY  
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE 50S  
TO MID 60S. HIGHS IN THE MID 70S TO LOWER 80S.  
 
 
 
CAZ514-210000-  
EASTERN SANTA CLARA HILLS-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....84-92.  
* 24 HR TREND......5 DEGREES COOLER.  
* MIN HUMIDITY........15 PERCENT EXCEPT 18-28 PERCENT ABOVE 2000  
FEET.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...UPVALLEY 3 TO 7 MPH BECOMING SOUTHWEST 5 TO  
10 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 10 MPH AND GUSTS TO  
AROUND 20 MPH.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........NONE.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....55-60 EXCEPT 60-65 ABOVE 2000 FEET.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY........40 PERCENT EXCEPT 30-35 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. GUSTS UP TO 20 MPH  
IN THE EVENING.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1500 FT ASL.  
   
FRIDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....85-90 EXCEPT 82-87 ABOVE 2000 FEET.  
* MIN HUMIDITY........20 PERCENT EXCEPT 25-35 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....WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH  
IN THE AFTERNOON.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S TO MID 60S.    
SATURDAY  
MOSTLY CLEAR. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S  
TO MID 60S. HIGHS IN THE 70S TO UPPER 80S.    
SUNDAY  
MOSTLY CLEAR. WEST 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.  
 
 
 
CAZ529-210000-  
NORTHERN MONTEREY BAY-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.....70-78.  
* 24 HR TREND......4 DEGREES COOLER.  
* MIN HUMIDITY........65-75 PERCENT.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1200 FT ASL.  
   
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......10 PERCENT DRIER.  
* 20-FOOT WINDS.......SOUTH 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 EARLY IN THE  
MORNING.  
* MAX TEMPERATURE.....71-79.  
* MIN HUMIDITY........65-75 PERCENT.  
* 20-FOOT WINDS.......NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE  
WEST 10 TO 15 MPH IN THE AFTERNOON.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE MID 50S.    
SATURDAY  
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN  
THE MID TO UPPER 50S. HIGHS IN THE 70S.    
SUNDAY  
MOSTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH. LOWS  
IN THE MID TO UPPER 50S. HIGHS IN THE 60S TO UPPER 70S.    
MONDAY  
MOSTLY CLOUDY. PATCHY FOG. SOUTHWEST WINDS 5 TO 15 MPH.  
LOWS IN THE MID 50S. HIGHS IN THE 60S TO MID 70S.  
 
 
 
CAZ530-210000-  
SOUTHERN MONTEREY BAY AND BIG SUR COAST-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........PARTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.....62-67 EXCEPT BIG SUR 72-77.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY........80 PERCENT EXCEPT BIG SUR 60 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........1200 FT ASL.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* MIN TEMPERATURE.....54-59.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY........100 PERCENT EXCEPT BIG SUR 80 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........1500 FT ASL.  
   
FRIDAY  
 
* SKY/WEATHER.........PARTLY SUNNY. PATCHY FOG EARLY IN THE  
MORNING.  
* MAX TEMPERATURE.....61-66 EXCEPT BIG SUR 70-75.  
* MIN HUMIDITY........80 PERCENT EXCEPT BIG SUR 60 PERCENT.  
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE 50S TO LOWER 60S.    
SATURDAY  
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE  
50S TO LOWER 60S. HIGHS IN THE MID 60S TO LOWER 70S.    
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 MID  
50S TO LOWER 60S. HIGHS IN THE 60S TO LOWER 70S.  
 
 
 
CAZ528-210000-  
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.....73-81.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY........55-65 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........1200 FT ASL.  
   
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.  
* MAX TEMPERATURE.....72-80.  
* MIN HUMIDITY........60-70 PERCENT.  
* 20-FOOT WINDS.......WEST WINDS UP TO 5 MPH INCREASING TO 10 TO 20  
MPH IN THE AFTERNOON.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN  
THE 50S.    
SATURDAY  
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE  
50S. HIGHS IN THE 70S TO LOWER 80S.    
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.  
 
 
 
CAZ516-210000-  
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....89-97.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY........30-40 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........NONE.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
* MIN TEMPERATURE.....54-59.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY........70-90 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  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....86-94.  
* MIN HUMIDITY........30-40 PERCENT.  
* 20-FOOT WINDS.......NORTHWEST WINDS UP TO 5 MPH INCREASING TO 10  
TO 20 MPH IN THE AFTERNOON.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN THE 50S.    
SATURDAY  
MOSTLY CLEAR. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN  
THE 50S. HIGHS IN THE MID 80S TO LOWER 90S.    
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 MID 80S TO LOWER 90S.  
 
 
 
CAZ517-210000-  
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....86-94.  
* 24 HR TREND......13 DEGREES WARMER.  
* MIN HUMIDITY........30-40 PERCENT.  
* 24 HR TREND......5 PERCENT WETTER.  
* 20-FOOT WINDS.......  
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 10 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE  
NORTH 10 TO 15 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH IN  
THE AFTERNOON.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1200 FT ASL.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
PATCHY SMOKE IN THE EVENING.  
* MIN TEMPERATURE.....57-67 EXCEPT 67-73 ABOVE 2000 FEET.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY........48-58 PERCENT EXCEPT 25-35 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........1500 FT ASL.  
   
FRIDAY  
 
* SKY/WEATHER.........PARTLY SUNNY.  
* MAX TEMPERATURE.....84-92.  
* MIN HUMIDITY........35-45 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 25  
MPH IN THE AFTERNOON.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS  
IN THE 50S TO UPPER 60S.    
SATURDAY  
CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE 50S  
TO UPPER 60S. HIGHS IN THE UPPER 70S TO MID 80S.    
SUNDAY  
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE  
50S TO UPPER 60S. HIGHS IN THE UPPER 70S TO MID 80S.    
MONDAY  
PARTLY CLOUDY. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN THE  
50S TO MID 60S. HIGHS IN THE 70S TO MID 80S.  
 
 
 
CAZ518-210000-  
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING  
PINNACLES NATIONAL PARK-  
456 AM PDT THU AUG 20 2026  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....88-96.  
* 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 SHIFTING TO THE  
SOUTH 5 TO 10 MPH IN THE AFTERNOON. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.  
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH. GUSTS UP TO 30 MPH  
IN THE AFTERNOON.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1200 FT ASL.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....57-67.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY........45-55 PERCENT EXCEPT 35-45 PERCENT ABOVE 2000  
FEET.  
* 24 HR TREND......LITTLE CHANGE.  
* 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 30 MPH  
IN THE EVENING.  
* CHANCE OF THUNDER...0 PERCENT.  
* CWR.................0%.  
* MARINE LAYER........1500 FT ASL.  
   
FRIDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....85-93.  
* MIN HUMIDITY........25-35 PERCENT.  
* 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 30 MPH  
IN THE AFTERNOON.  
* CWR.................0%.  
 
   
EXTENDED  
   
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN CLEARING. WEST  
WINDS 5 TO 15 MPH. LOWS IN THE 50S TO UPPER 60S.    
SATURDAY  
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS IN  
THE 50S TO UPPER 60S. HIGHS IN THE 70S TO UPPER 80S.    
SUNDAY  
MOSTLY CLEAR. WEST WINDS 5 TO 15 MPH. LOWS IN THE 50S  
TO UPPER 60S. HIGHS IN THE 70S TO UPPER 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.  
 
 
 
NOAA'S NWS ON THE WEB AT WWW.WEATHER.GOV/SANFRANCISCO  
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