Climatological Report (Daily)
Issued by NWS
Issued by NWS
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128
CDUS46 KMTR 180833
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT MON AUG 18 2025
...................................
...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 71 3:30 PM 94 2020 77 -6 80
MINIMUM 61 7:09 AM 54 2006 58 3 63
AVERAGE 66 67 -1 72
PRECIPITATION (IN)
YESTERDAY 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
YESTERDAY 0 0
MONTH TO DATE 6 6
SINCE JUN 1 118 33
SINCE JUL 1 39 10
COOLING
YESTERDAY 1 7
MONTH TO DATE 28 47
SINCE JUN 1 57 323
SINCE JAN 1 105 354
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 11.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 3:00 AM
LOWEST 63 12:00 PM
AVERAGE 75
..........................................................
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 91 2020
MINIMUM TEMPERATURE (F) 58 56 2007
2018
2022
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 6:27 AM PDT SUNSET 7:57 PM PDT
AUGUST 19 2025........SUNRISE 6:28 AM PDT SUNSET 7:55 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$