Climatological Report (Daily)
Issued by NWS
Issued by NWS
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071
CDUS46 KMTR 190029
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
529 PM PDT FRI JUL 18 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 18 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 67 11:37 AM 88 1968 73 -6 70
MINIMUM 58 6:52 AM 50 1949 56 2 55
1960
1999
AVERAGE 63 64 -1 63
PRECIPITATION (IN)
TODAY 0.00 0.01 2007 0.00 0.00 0.00
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)
TODAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 2 2 0 2
MONTH TO DATE 48 36 12 19
SINCE JUN 1 191 133 58 132
SINCE JUL 1 48 36 12 19
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 0 18 -18 31
SINCE JUN 1 1 41 -40 37
SINCE JAN 1 7 61 -54 48
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 12.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1:00 AM
LOWEST 65 3:00 PM
AVERAGE 76
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 1961
MINIMUM TEMPERATURE (F) 56 49 1981
SUNRISE AND SUNSET
JULY 18 2025..........SUNRISE 6:03 AM PDT SUNSET 8:29 PM PDT
JULY 19 2025..........SUNRISE 6:03 AM PDT SUNSET 8:28 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$