Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 220028
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
528 PM PDT THU AUG 21 2025
...................................
...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR AUGUST 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 85R 2:16 PM 83 2009 77 8 75
2020
MINIMUM 59 5:53 AM 55 2006 58 1 62
2012
AVERAGE 72 68 4 69
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 7 4
MONTH TO DATE 44 66
SINCE JUN 1 73 342
SINCE JAN 1 121 373
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 4.3
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 81 12:00 AM
LOWEST 37 1:00 PM
AVERAGE 59
..........................................................
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 92 1999
MINIMUM TEMPERATURE (F) 58 55 2006
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 6:30 AM PDT SUNSET 7:53 PM PDT
AUGUST 22 2025........SUNRISE 6:31 AM PDT SUNSET 7:51 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$