721  
CDUS46 KMTR 280826  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1226 AM PST FRI NOV 28 2025  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 27 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 52 1:45 PM 68 2007 61 -9 62  
2014  
MINIMUM 41 2:00 AM 24 2005 39 2 36  
AVERAGE 47 50 -3 49  
 
PRECIPITATION (IN)  
YESTERDAY T T  
MONTH TO DATE 2.15 4.25  
SINCE OCT 1 3.46 4.26  
SINCE JAN 1 11.78 18.10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 16  
MONTH TO DATE 241 330  
SINCE SEP 1 372 471  
SINCE JUL 1 417 484  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE SEP 1 100 143  
SINCE JAN 1 211 444    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 83 12:00 PM  
AVERAGE 92  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 67 2009  
2013  
2021  
MINIMUM TEMPERATURE (F) 39 27 2006  
2010  
 
SUNRISE AND SUNSET  
NOVEMBER 28 2025......SUNRISE 7:04 AM PST SUNSET 4:50 PM PST  
NOVEMBER 29 2025......SUNRISE 7:05 AM PST SUNSET 4:50 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page