761  
CDUS46 KMTR 290035  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
535 PM PDT FRI AUG 28 2026  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 28 2026  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 69 4:30 PM 100 2008 81 -12 80  
MINIMUM 60 6:29 AM 45 2005 53 7 49  
AVERAGE 65 67 -2 65  
 
PRECIPITATION (IN)  
TODAY T 0.00  
MONTH TO DATE T 0.00  
SINCE OCT 1 17.03 16.08  
SINCE JAN 1 9.60 8.10  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 6 7  
SINCE JUN 1 50 109  
SINCE JUL 1 29 45  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 41 56  
SINCE JUN 1 157 76  
SINCE JAN 1 174 93    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 8:00 AM  
LOWEST 63 1:00 PM  
AVERAGE 74  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 99 2009  
MINIMUM TEMPERATURE (F) 53 46 2005  
 
SUNRISE AND SUNSET  
AUGUST 28 2026........SUNRISE 6:35 AM PDT SUNSET 7:44 PM PDT  
AUGUST 29 2026........SUNRISE 6:36 AM PDT SUNSET 7:43 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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