285  
CDUS46 KMTR 120027  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
527 PM PDT FRI SEP 11 2026  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 1:20 PM 91 2003 77 -4 72  
MINIMUM 61 6:26 AM 53 2012 58 3 62  
AVERAGE 67 68 -1 67  
 
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 0 0  
SINCE SEP 1 0 0  
SINCE JUL 1 33 40  
 
COOLING  
TODAY 2 2  
MONTH TO DATE 52 39  
SINCE SEP 1 52 39  
SINCE JAN 1 265 195    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 59 1:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 2003  
MINIMUM TEMPERATURE (F) 58 54 2010  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2026.....SUNRISE 6:47 AM PDT SUNSET 7:22 PM PDT  
SEPTEMBER 12 2026.....SUNRISE 6:48 AM PDT SUNSET 7:21 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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