340  
CDUS46 KMTR 270036  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
536 PM PDT TUE AUG 26 2025  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR AUGUST 26 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 76 2:22 PM 90 2024 77 -1 90  
MINIMUM 61 1:33 AM 54 2002 58 3 61  
AVERAGE 69 68 1 76  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.00 0.02  
SINCE OCT 1 14.64 21.86  
SINCE JAN 1 7.43 17.00  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 7 6  
SINCE JUN 1 119 33  
SINCE JUL 1 40 10  
 
COOLING  
TODAY 4 11  
MONTH TO DATE 53 97  
SINCE JUN 1 82 373  
SINCE JAN 1 130 404    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 4:00 AM  
LOWEST 55 2:00 PM  
AVERAGE 71  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 96 2024  
MINIMUM TEMPERATURE (F) 58 54 2013  
 
SUNRISE AND SUNSET  
AUGUST 26 2025........SUNRISE 6:34 AM PDT SUNSET 7:46 PM PDT  
AUGUST 27 2025........SUNRISE 6:35 AM PDT SUNSET 7:44 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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