945
CDUS46 KMTR 010838
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT WED OCT 01 2025
...............................
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 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 77 12:00 PM 92 2024 76 1 92
MINIMUM 63 3:42 AM 49 2009 56 7 56
AVERAGE 70 66 4 74
PRECIPITATION (IN)
YESTERDAY T 0.00
MONTH TO DATE 0.12 T
SINCE OCT 1 14.76 21.86
SINCE JAN 1 7.55 17.00
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 1 2
SINCE SEP 1 1 2
SINCE JUL 1 41 12
COOLING
YESTERDAY 5 9
MONTH TO DATE 120 131
SINCE SEP 1 120 131
SINCE JAN 1 276 568
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 3:00 AM
LOWEST 48 12:00 PM
AVERAGE 68
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THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 100 2024
MINIMUM TEMPERATURE (F) 56 47 2019
SUNRISE AND SUNSET
OCTOBER 1 2025.......SUNRISE 7:04 AM PDT SUNSET 6:51 PM PDT
OCTOBER 2 2025.......SUNRISE 7:05 AM PDT SUNSET 6:49 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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