924  
CDUS46 KMTR 160827  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT THU OCT 16 2025  
   
...............................  
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR OCTOBER 15 2025  
 
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)  
YESTERDAY  
MAXIMUM 63 4:48 PM 97 2020 74 -11 74  
MINIMUM 52 11:59 PM 49 2019 54 -2 58  
AVERAGE 58 64 -6 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 1.77 0.00  
SINCE OCT 1 1.77 0.00  
SINCE JAN 1 9.32 17.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 0  
MONTH TO DATE 29 0  
SINCE SEP 1 30 2  
SINCE JUL 1 70 12  
 
COOLING  
YESTERDAY 0 1  
MONTH TO DATE 16 136  
SINCE SEP 1 136 267  
SINCE JAN 1 292 704    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 62 12:00 PM  
AVERAGE 78  
   
......................................................  
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 2020  
MINIMUM TEMPERATURE (F) 54 48 1998  
 
SUNRISE AND SUNSET  
OCTOBER 16 2025.......SUNRISE 7:18 AM PDT SUNSET 6:29 PM PDT  
OCTOBER 17 2025.......SUNRISE 7:19 AM PDT SUNSET 6:28 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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