157  
CDUS46 KMTR 170042  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
542 PM PDT FRI MAY 16 2025  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR MAY 16 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 71 12:31 PM 95 2009 69 2 73  
MINIMUM 54 4:01 AM 48 1999 52 2 58  
AVERAGE 63 61 2 66  
 
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 2 0  
MONTH TO DATE 34 51  
SINCE MAR 1 429 457  
SINCE JUL 1 1659 1629  
 
COOLING  
TODAY 0 1  
MONTH TO DATE 16 18  
SINCE MAR 1 25 21  
SINCE JAN 1 25 21    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 12:00 AM  
LOWEST 45 11:00 AM  
AVERAGE 60  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 94 2009  
MINIMUM TEMPERATURE (F) 53 48 1999  
 
SUNRISE AND SUNSET  
MAY 16 2025...........SUNRISE 5:58 AM PDT SUNSET 8:12 PM PDT  
MAY 17 2025...........SUNRISE 5:57 AM PDT SUNSET 8:13 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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