637
CDUS46 KMTR 220040
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
540 PM PDT SAT JUN 21 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 21 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 68 3:17 PM 98 2022 72 -4 66
MINIMUM 52 5:36 AM 46 1953 54 -2 51
AVERAGE 60 63 -3 59
PRECIPITATION (IN)
TODAY 0.00 T 1982 0.01 -0.01 0.00
1987
2002
MONTH TO DATE 0.00 0.12 -0.12 0.00
SINCE OCT 1 16.11 19.51 -3.40 20.13
SINCE JAN 1 7.55 12.54 -4.99 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 5 3 2 6
MONTH TO DATE 104 74 30 82
SINCE JUN 1 104 74 30 82
SINCE JUL 1 2354 2453 -99 1845
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 0 18 -18 6
SINCE JUN 1 0 18 -18 6
SINCE JAN 1 6 38 -32 17
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 19 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 19.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 1:00 AM
LOWEST 47 10:00 AM
AVERAGE 67
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 98 1989
MINIMUM TEMPERATURE (F) 54 47 1950
1953
SUNRISE AND SUNSET
JUNE 21 2025..........SUNRISE 5:48 AM PDT SUNSET 8:34 PM PDT
JUNE 22 2025..........SUNRISE 5:49 AM PDT SUNSET 8:35 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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