Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 210033
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
533 PM PDT WED AUG 20 2025
...................................
...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR AUGUST 20 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 85 2:21 PM 90 2023 77 8 83
MINIMUM 57 5:48 AM 55 2012 58 -1 59
AVERAGE 71 68 3 71
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 0 0
MONTH TO DATE 6 6
SINCE JUN 1 118 33
SINCE JUL 1 39 10
COOLING
TODAY 6 6
MONTH TO DATE 37 62
SINCE JUN 1 66 338
SINCE JAN 1 114 369
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 6.2
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 87 4:00 AM
LOWEST 38 1:00 PM
AVERAGE 63
..........................................................
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 83 2009
2020
MINIMUM TEMPERATURE (F) 58 55 2006
2012
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 6:29 AM PDT SUNSET 7:54 PM PDT
AUGUST 21 2025........SUNRISE 6:30 AM PDT SUNSET 7:53 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$