298  
CDUS46 KMTR 050828  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT TUE AUG 05 2025  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR AUGUST 4 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 71 2:38 PM 81 2022 75 -4 70  
MINIMUM 56 5:16 AM 55 2008 58 -2 58  
2010  
2013  
AVERAGE 64 67 -3 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.00 0.00  
SINCE OCT 1 14.64 21.84  
SINCE JAN 1 7.43 16.98  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 1  
MONTH TO DATE 5 1  
SINCE JUN 1 117 28  
SINCE JUL 1 38 5  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 13  
SINCE JUN 1 29 289  
SINCE JAN 1 77 320    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 5:00 AM  
LOWEST 51 3:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 80 2005  
2023  
MINIMUM TEMPERATURE (F) 58 54 2008  
 
SUNRISE AND SUNSET  
AUGUST 5 2025........SUNRISE 6:16 AM PDT SUNSET 8:12 PM PDT  
AUGUST 6 2025........SUNRISE 6:17 AM PDT SUNSET 8:11 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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