331  
CDUS46 KMTR 050835  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1235 AM PST MON JAN 05 2026  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR JANUARY 4 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 57 1:11 AM 68 2018 59 -2 57  
MINIMUM 49 11:43 PM 32 2009 43 6 45  
AVERAGE 53 51 2 51  
 
PRECIPITATION (IN)  
YESTERDAY 1.57 0.00  
MONTH TO DATE 2.23 0.16  
SINCE OCT 1 10.96 7.37  
SINCE JAN 1 2.23 0.16  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 14  
MONTH TO DATE 33 50  
SINCE DEC 1 432 352  
SINCE JUL 1 760 635  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 80 1:00 AM  
AVERAGE 88  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 67 2014  
MINIMUM TEMPERATURE (F) 43 36 2004  
2014  
2017  
 
SUNRISE AND SUNSET  
JANUARY 5 2026.......SUNRISE 7:24 AM PST SUNSET 5:04 PM PST  
JANUARY 6 2026.......SUNRISE 7:24 AM PST SUNSET 5:05 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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