307
CDUS46 KMTR 190036
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
536 PM PDT SAT APR 18 2026
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 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 72 2:54 PM 83 1950 66 6 64
MINIMUM 48 5:07 AM 39 1967 49 -1 51
1968
AVERAGE 60 58 2 58
PRECIPITATION (IN)
TODAY 0.00 0.42 1984 0.05 -0.05 0.00
MONTH TO DATE 2.19 1.01 1.18 0.33
SINCE OCT 1 18.34 18.56 -0.22 15.96
SINCE JAN 1 9.49 11.59 -2.10 7.40
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 5 8 -3 7
MONTH TO DATE 98 147 -49 134
SINCE MAR 1 200 443 -243 450
SINCE JUL 1 1548 2122 -574 1983
COOLING
TODAY 0 0 0 0
MONTH TO DATE 3 0 3 0
SINCE MAR 1 36 1 35 3
SINCE JAN 1 37 1 36 3
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 4:00 AM
LOWEST 39 4:00 PM
AVERAGE 64
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 86 2009
MINIMUM TEMPERATURE (F) 49 40 1967
1971
SUNRISE AND SUNSET
APRIL 18 2026.........SUNRISE 6:30 AM PDT SUNSET 7:48 PM PDT
APRIL 19 2026.........SUNRISE 6:29 AM PDT SUNSET 7:49 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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