618  
CDUS46 KMTR 040835  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1235 AM PST SUN JAN 04 2026  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR JANUARY 3 2026  
 
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)  
YESTERDAY  
MAXIMUM 64 2:02 PM 66 2014 59 5 61  
MINIMUM 55 11:09 PM 33 2009 43 12 48  
2015  
AVERAGE 60 51 9 55  
 
PRECIPITATION (IN)  
YESTERDAY T 0.16  
MONTH TO DATE 0.66 0.16  
SINCE OCT 1 9.39 7.37  
SINCE JAN 1 0.66 0.16  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 10  
MONTH TO DATE 21 36  
SINCE DEC 1 420 338  
SINCE JUL 1 748 621  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 12:00 AM  
LOWEST 60 2:00 PM  
AVERAGE 75  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 68 2018  
MINIMUM TEMPERATURE (F) 43 32 2009  
 
SUNRISE AND SUNSET  
JANUARY 4 2026.......SUNRISE 7:24 AM PST SUNSET 5:03 PM PST  
JANUARY 5 2026.......SUNRISE 7:24 AM PST SUNSET 5:04 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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