235  
CDUS46 KMTR 160035  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
535 PM PDT TUE SEP 15 2026  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 2026
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 73 1:06 PM 87 2004 77 -4 86  
MINIMUM 56 5:41 AM 53 2006 58 -2 59  
AVERAGE 65 68 -3 73  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.12 0.05  
SINCE OCT 1 20.65 14.69  
SINCE JAN 1 11.92 7.48  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 1 1  
SINCE SEP 1 1 1  
SINCE JUL 1 34 41  
 
COOLING  
TODAY 0 8  
MONTH TO DATE 55 51  
SINCE SEP 1 55 51  
SINCE JAN 1 268 207    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 5:00 AM  
LOWEST 55 1:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 82 2014  
2025  
MINIMUM TEMPERATURE (F) 58 51 2006  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2026.....SUNRISE 6:51 AM PDT SUNSET 7:16 PM PDT  
SEPTEMBER 16 2026.....SUNRISE 6:51 AM PDT SUNSET 7:14 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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