Climatological Report (Daily)
Issued by NWS
Issued by NWS
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519
CDUS46 KMTR 170830
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT FRI OCT 17 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 16 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 68 1:52 PM 94 2020 73 -5 68
MINIMUM 53 6:34 AM 44 1980 54 -1 57
AVERAGE 61 63 -2 63
PRECIPITATION (IN)
YESTERDAY 0.00 1.01 1984 0.02 -0.02 T
MONTH TO DATE 1.00 0.27 0.73 T
SINCE OCT 1 1.00 0.27 0.73 T
SINCE JAN 1 8.62 12.94 -4.32 14.90
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 4 3 1 2
MONTH TO DATE 29 37 -8 25
SINCE SEP 1 32 83 -51 99
SINCE JUL 1 122 185 -63 229
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 14 24 -10 84
SINCE SEP 1 92 80 12 108
SINCE JAN 1 142 190 -48 182
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 12:00 AM
LOWEST 61 2:00 PM
AVERAGE 76
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 2020
MINIMUM TEMPERATURE (F) 53 42 1971
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 7:20 AM PDT SUNSET 6:29 PM PDT
OCTOBER 18 2025.......SUNRISE 7:21 AM PDT SUNSET 6:28 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$