Climatological Report (Daily)
Issued by NWS
Issued by NWS
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707
CDUS46 KMTR 290835
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
135 AM PDT FRI AUG 29 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 28 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 1:36 PM 95 2009 74 1 71
MINIMUM 59 5:23 AM 49 1945 56 3 56
1952
AVERAGE 67 65 2 64
PRECIPITATION (IN)
YESTERDAY 0.00 T 1982 0.00 0.00 0.00
1986
1987
MONTH TO DATE T 0.03 -0.03 0.10
SINCE OCT 1 16.11 19.56 -3.45 20.23
SINCE JAN 1 7.55 12.59 -5.04 14.90
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 1
MONTH TO DATE 21 38 -17 78
SINCE JUN 1 233 193 40 241
SINCE JUL 1 90 96 -6 128
COOLING
YESTERDAY 2 2 0 0
MONTH TO DATE 29 36 -7 14
SINCE JUN 1 31 85 -54 63
SINCE JAN 1 37 105 -68 74
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 11.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 6:00 AM
LOWEST 55 2:00 PM
AVERAGE 69
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 98 1968
MINIMUM TEMPERATURE (F) 56 49 1955
SUNRISE AND SUNSET
AUGUST 29 2025........SUNRISE 6:38 AM PDT SUNSET 7:42 PM PDT
AUGUST 30 2025........SUNRISE 6:38 AM PDT SUNSET 7:41 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$