100
CDUS46 KMTR 210828
CLIOAK
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1228 AM PST SUN DEC 21 2025
...............................
..THE OAKLAND AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 61 1:24 PM 75 1999 57 4 58
MINIMUM 57 7:46 PM 32 1978 42 15 42
AVERAGE 59 50 9 50
PRECIPITATION (IN)
YESTERDAY 0.05 1.14 1969 0.13 -0.08 0.00
MONTH TO DATE 0.54 2.43 -1.89 1.97
SINCE OCT 1 4.45 5.33 -0.88 3.62
SINCE JAN 1 9.00 17.27 -8.27 16.01
SNOWFALL (IN)
YESTERDAY MM 0.0 1984
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 6 15 -9 15
MONTH TO DATE 317 290 27 220
SINCE DEC 1 317 290 27 220
SINCE JUL 1 765 893 -128 566
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 136 176 -40 371
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (100)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 2.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 10:00 PM
LOWEST 90 9:00 AM
AVERAGE 95
......................................................
THE OAKLAND AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 71 1999
MINIMUM TEMPERATURE (F) 42 30 1949
SUNRISE AND SUNSET
DECEMBER 21 2025......SUNRISE 7:21 AM PST SUNSET 4:54 PM PST
DECEMBER 22 2025......SUNRISE 7:21 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page