Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 010042
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
542 PM PDT SUN AUG 31 2025
...................................
...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR AUGUST 31 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 88 12:32 PM 91 2017 78 10 75
MINIMUM 61 5:29 AM 55 1999 58 3 62
2021
AVERAGE 75 68 7 69
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 0.00 0.02
SINCE OCT 1 14.64 21.86
SINCE JAN 1 7.43 17.00
DEGREE DAYS
HEATING
TODAY 0 0
MONTH TO DATE 7 6
SINCE JUN 1 119 33
SINCE JUL 1 40 10
COOLING
TODAY 10 4
MONTH TO DATE 79 130
SINCE JUN 1 108 406
SINCE JAN 1 156 437
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 4.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 12:00 AM
LOWEST 24 12:00 PM
AVERAGE 51
..........................................................
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 2025........SUNRISE 6:38 AM PDT SUNSET 7:38 PM PDT
SEPTEMBER 1 2025.....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.
$$