028
CDUS46 KMTR 130825
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1225 AM PST SAT DEC 13 2025
...............................
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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 MM MM 66 2018 59 MM 60
MINIMUM MM MM 34 2013 43 MM 51
AVERAGE MM 51 MM 56
PRECIPITATION (IN)
YESTERDAY 0.00 0.96
MONTH TO DATE 0.00 0.96
SINCE OCT 1 5.23 3.29
SINCE JAN 1 12.78 20.29
DEGREE DAYS
HEATING
YESTERDAY MM 9
MONTH TO DATE 171 106
SINCE DEC 1 171 106
SINCE JUL 1 499 389
COOLING
YESTERDAY MM 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 295 713
...............................................................
WIND (MPH)
RESULTANT WIND SPEED MM RESULTANT WIND DIRECTION MM
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
......................................................
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 65 2018
MINIMUM TEMPERATURE (F) 43 36 2007
2011
2022
SUNRISE AND SUNSET
DECEMBER 13 2025......SUNRISE 7:15 AM PST SUNSET 4:51 PM PST
DECEMBER 14 2025......SUNRISE 7:16 AM PST SUNSET 4:51 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page