Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 220030
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
530 PM PDT MON JUL 21 2025
...................................
...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR JULY 21 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 68 1:57 PM 90 2006 74 -6 67
2012
MINIMUM 59 6:49 AM 55 2000 58 1 59
2022
AVERAGE 64 66 -2 63
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 0.00 0.00
SINCE OCT 1 14.64 21.84
SINCE JAN 1 7.43 16.98
DEGREE DAYS
HEATING
TODAY 1 2
MONTH TO DATE 25 2
SINCE JUN 1 104 25
SINCE JUL 1 25 2
COOLING
TODAY 0 0
MONTH TO DATE 8 153
SINCE JUN 1 25 223
SINCE JAN 1 73 254
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 11.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 8:00 AM
LOWEST 66 2:00 PM
AVERAGE 78
..........................................................
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 105 2006
MINIMUM TEMPERATURE (F) 58 56 2022
2023
2024
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 6:04 AM PDT SUNSET 8:26 PM PDT
JULY 22 2025..........SUNRISE 6:05 AM PDT SUNSET 8:25 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$