908  
CDUS46 KMTR 240038  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
538 PM PDT FRI MAY 23 2025  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR MAY 23 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 65 2:55 PM 86 2000 70 -5 70  
MINIMUM 56 6:04 AM 45 2010 53 3 53  
AVERAGE 61 62 -1 62  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.26 0.90  
SINCE OCT 1 14.64 21.84  
SINCE JAN 1 7.43 16.98  
 
DEGREE DAYS  
HEATING  
TODAY 4 3  
MONTH TO DATE 48 59  
SINCE MAR 1 443 465  
SINCE JUL 1 1673 1637  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 18 19  
SINCE MAR 1 27 22  
SINCE JAN 1 27 22    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 12:00 AM  
LOWEST 54 1:00 PM  
AVERAGE 63  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 89 2022  
MINIMUM TEMPERATURE (F) 53 50 2009  
2012  
2021  
 
SUNRISE AND SUNSET  
MAY 23 2025...........SUNRISE 5:53 AM PDT SUNSET 8:18 PM PDT  
MAY 24 2025...........SUNRISE 5:52 AM PDT SUNSET 8:19 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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