140
CDUS46 KMTR 200845
CLIOAK
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT SAT SEP 20 2025
...............................
..THE OAKLAND AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 73 1:12 PM 91 2011 74 -1 68
MINIMUM 60 2:22 AM 49 1955 55 5 58
AVERAGE 67 65 2 63
PRECIPITATION (IN)
YESTERDAY T 0.48 1977 0.00 0.00 0.00
MONTH TO DATE 0.02 0.03 -0.01 0.00
SINCE OCT 1 9.30 18.61 -9.31 16.36
SINCE JAN 1 4.54 11.87 -7.33 12.39
SNOWFALL (IN)
YESTERDAY MM 0.0 1985
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 2
MONTH TO DATE 1 38 -37 9
SINCE SEP 1 1 38 -37 9
SINCE JUL 1 88 147 -59 31
COOLING
YESTERDAY 2 2 0 0
MONTH TO DATE 45 38 7 37
SINCE SEP 1 45 38 7 37
SINCE JAN 1 93 143 -50 239
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 8.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 64 1:00 PM
AVERAGE 79
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THE OAKLAND AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 95 1949
MINIMUM TEMPERATURE (F) 55 47 2004
SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE 6:55 AM PDT SUNSET 7:08 PM PDT
SEPTEMBER 21 2025.....SUNRISE 6:56 AM PDT SUNSET 7:07 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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