168
CDUS46 KMTR 190039
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
539 PM PDT FRI SEP 18 2026
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 69 2:00 PM 93 2009 75 -6 70
MINIMUM 58 6:18 AM 46 1955 56 2 60
AVERAGE 64 65 -1 65
PRECIPITATION (IN)
TODAY 0.00 2.29 1959 0.00 0.00 0.02
MONTH TO DATE 0.01 0.02 -0.01 0.04
SINCE OCT 1 19.63 19.59 0.04 16.15
SINCE JAN 1 10.78 12.62 -1.84 7.59
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 1 1 0 0
MONTH TO DATE 4 20 -16 2
SINCE SEP 1 4 20 -16 2
SINCE JUL 1 78 122 -44 92
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 50 36 14 40
SINCE SEP 1 50 36 14 40
SINCE JAN 1 161 146 15 90
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 12.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 65 2:00 PM
AVERAGE 79
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 2000
MINIMUM TEMPERATURE (F) 56 46 1947
1954
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 6:54 AM PDT SUNSET 7:12 PM PDT
SEPTEMBER 19 2026.....SUNRISE 6:55 AM PDT SUNSET 7:11 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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