836  
CDUS46 KMTR 010039  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
539 PM PDT MON AUG 31 2026  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 67 3:15 PM 91 2017 78 -11 88  
MINIMUM 58 1:54 AM 55 1999 58 0 61  
2021  
AVERAGE 63 68 -5 75  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE T 0.00  
SINCE OCT 1 20.53 14.64  
SINCE JAN 1 11.80 7.43  
 
DEGREE DAYS  
HEATING  
TODAY 2 0  
MONTH TO DATE 6 7  
SINCE JUN 1 63 119  
SINCE JUL 1 33 40  
 
COOLING  
TODAY 0 10  
MONTH TO DATE 62 79  
SINCE JUN 1 155 108  
SINCE JAN 1 213 156    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1:00 AM  
LOWEST 63 4:00 PM  
AVERAGE 75  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 103 2017  
MINIMUM TEMPERATURE (F) 58 53 1999  
 
SUNRISE AND SUNSET  
AUGUST 31 2026........SUNRISE 6:38 AM PDT SUNSET 7:39 PM PDT  
SEPTEMBER 1 2026.....SUNRISE 6:39 AM PDT SUNSET 7:37 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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