075  
CDUS46 KMTR 160036  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
536 PM PDT WED OCT 15 2025  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 15 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 63 4:56 PM 101 2020 76 -13 77  
MINIMUM 53 7:58 AM 37 2013 46 7 48  
AVERAGE 58 61 -3 63  
 
PRECIPITATION (IN)  
TODAY 0.09 0.00  
MONTH TO DATE 1.25 0.00  
SINCE OCT 1 1.25 0.00  
SINCE JAN 1 9.57 13.84  
 
DEGREE DAYS  
HEATING  
TODAY 7 2  
MONTH TO DATE 56 20  
SINCE SEP 1 58 46  
SINCE JUL 1 103 59  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 9 82  
SINCE SEP 1 99 140  
SINCE JAN 1 210 441    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 69 3:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 97 2020  
MINIMUM TEMPERATURE (F) 46 37 2019  
 
SUNRISE AND SUNSET  
OCTOBER 15 2025.......SUNRISE 7:18 AM PDT SUNSET 6:31 PM PDT  
OCTOBER 16 2025.......SUNRISE 7:19 AM PDT SUNSET 6:29 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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