511
CDUS46 KMTR 200836
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1236 AM PST SAT DEC 20 2025
...............................
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 19 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 64 1:39 PM 74 1999 59 5 60
MINIMUM 53 2:35 AM 31 2006 43 10 40
AVERAGE 59 51 8 50
PRECIPITATION (IN)
YESTERDAY 0.34 0.00
MONTH TO DATE 0.55 2.69
SINCE OCT 1 5.78 5.02
SINCE JAN 1 13.33 22.02
DEGREE DAYS
HEATING
YESTERDAY 6 15
MONTH TO DATE 278 196
SINCE DEC 1 278 196
SINCE JUL 1 606 479
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 295 713
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 11:00 PM
LOWEST 63 12:00 PM
AVERAGE 80
......................................................
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 71 1999
MINIMUM TEMPERATURE (F) 43 33 1998
SUNRISE AND SUNSET
DECEMBER 20 2025......SUNRISE 7:19 AM PST SUNSET 4:53 PM PST
DECEMBER 21 2025......SUNRISE 7:20 AM PST SUNSET 4:54 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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