242
CDUS46 KMTR 190040
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
540 PM PDT SAT OCT 18 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 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 77 3:54 PM 86 2012 72 5 73
2023
MINIMUM 56 5:57 AM 42 1946 53 3 57
AVERAGE 67 63 4 65
PRECIPITATION (IN)
TODAY 0.00 0.17 1953 0.03 -0.03 0.00
MONTH TO DATE 1.00 0.33 0.67 T
SINCE OCT 1 1.00 0.33 0.67 T
SINCE JAN 1 8.62 13.00 -4.38 14.90
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 30 43 -13 29
SINCE SEP 1 33 89 -56 103
SINCE JUL 1 123 191 -68 233
COOLING
TODAY 2 1 1 0
MONTH TO DATE 16 26 -10 84
SINCE SEP 1 94 82 12 108
SINCE JAN 1 144 192 -48 182
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 7:00 AM
LOWEST 46 4:00 PM
AVERAGE 68
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 88 2023
MINIMUM TEMPERATURE (F) 53 43 1949
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 7:21 AM PDT SUNSET 6:28 PM PDT
OCTOBER 19 2025.......SUNRISE 7:22 AM PDT SUNSET 6:26 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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