Climatological Report (Daily)
Issued by NWS
Issued by NWS
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583
CDUS46 KMTR 030845
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT SUN AUG 03 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 2 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 66 3:51 PM 91 1946 73 -7 68
MINIMUM 56 5:14 AM 49 1945 56 0 54
1982
AVERAGE 61 64 -3 61
PRECIPITATION (IN)
YESTERDAY 0.00 T 1983 0.00 0.00 0.00
1991
1994
MONTH TO DATE 0.00 0.00 0.00 0.00
SINCE OCT 1 16.11 19.53 -3.42 20.13
SINCE JAN 1 7.55 12.56 -5.01 14.80
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 4 2 2 4
MONTH TO DATE 6 4 2 8
SINCE JUN 1 218 159 59 171
SINCE JUL 1 75 62 13 58
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 2 -2 0
SINCE JUN 1 2 51 -49 49
SINCE JAN 1 8 71 -63 60
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 13.3
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 4:00 AM
LOWEST 65 2:00 PM
AVERAGE 79
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 91 1998
MINIMUM TEMPERATURE (F) 56 45 1954
SUNRISE AND SUNSET
AUGUST 3 2025........SUNRISE 6:15 AM PDT SUNSET 8:15 PM PDT
AUGUST 4 2025........SUNRISE 6:16 AM PDT SUNSET 8:14 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$