802
CDUS46 KMTR 210838
CLIOAK
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT TUE APR 21 2026
...............................
..THE OAKLAND AIRPORT CLIMATE SUMMARY FOR APRIL 20 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 68 10:48 AM 91 2009 66 2 65
MINIMUM 49 5:44 AM 41 1961 50 -1 49
AVERAGE 59 58 1 57
PRECIPITATION (IN)
YESTERDAY 1.31R 0.55 2010 0.04 1.27 0.00
MONTH TO DATE 3.05 1.09 1.96 0.05
SINCE OCT 1 17.05 17.47 -0.42 9.08
SINCE JAN 1 9.36 10.73 -1.37 4.32
SNOWFALL (IN)
YESTERDAY MM 0.0 1985
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 6 7 -1 8
MONTH TO DATE 113 164 -51 145
SINCE MAR 1 221 473 -252 468
SINCE JUL 1 1784 2359 -575 1869
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE MAR 1 24 1 23 1
SINCE JAN 1 24 1 23 1
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SE (150)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 8.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 8:00 PM
LOWEST 42 10:00 AM
AVERAGE 69
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THE OAKLAND AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 86 2009
MINIMUM TEMPERATURE (F) 50 38 1963
SUNRISE AND SUNSET
APRIL 21 2026.........SUNRISE 6:25 AM PDT SUNSET 7:50 PM PDT
APRIL 22 2026.........SUNRISE 6:24 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.
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