989  
CDUS46 KMTR 030838  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1238 AM PST WED DEC 03 2025  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 2 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 61 2:41 PM 73 2011 61 0 69  
MINIMUM 43 7:36 AM 36 2004 44 -1 48  
AVERAGE 52 52 0 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.00 0.00  
SINCE OCT 1 5.23 2.33  
SINCE JAN 1 12.78 19.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 6  
MONTH TO DATE 30 13  
SINCE DEC 1 30 13  
SINCE JUL 1 358 296  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 295 713    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 3.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 8:00 AM  
LOWEST 62 5:00 PM  
AVERAGE 79  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 67 2007  
2014  
2024  
MINIMUM TEMPERATURE (F) 44 36 2004  
 
SUNRISE AND SUNSET  
DECEMBER 3 2025......SUNRISE 7:07 AM PST SUNSET 4:50 PM PST  
DECEMBER 4 2025......SUNRISE 7:08 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.  
 
 
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