Climatological Report (Daily)
Issued by NWS
Issued by NWS
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340
CDUS46 KMTR 240834
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT SUN AUG 24 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 23 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 69 1:30 PM 92 2010 74 -5 67
MINIMUM 55 1:46 AM 49 1953 57 -2 56
AVERAGE 62 65 -3 62
PRECIPITATION (IN)
YESTERDAY 0.00 T 1989 0.00 0.00 0.00
1991
1994
MONTH TO DATE T 0.03 -0.03 T
SINCE OCT 1 16.11 19.56 -3.45 20.13
SINCE JAN 1 7.55 12.59 -5.04 14.80
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 3 1 2 3
MONTH TO DATE 21 33 -12 77
SINCE JUN 1 233 188 45 240
SINCE JUL 1 90 91 -1 127
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 21 26 -5 1
SINCE JUN 1 23 75 -52 50
SINCE JAN 1 29 95 -66 61
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 16.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 65 1:00 PM
AVERAGE 79
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 99 2010
MINIMUM TEMPERATURE (F) 56 49 1955
SUNRISE AND SUNSET
AUGUST 24 2025........SUNRISE 6:33 AM PDT SUNSET 7:49 PM PDT
AUGUST 25 2025........SUNRISE 6:34 AM PDT SUNSET 7:48 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$