542
CDUS46 KMTR 100049
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
549 PM PDT FRI MAY 09 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 9 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 78 1:33 PM 88 1993 68 10 84
MINIMUM 51 5:16 AM 41 1950 51 0 60
AVERAGE 65 59 6 72
PRECIPITATION (IN)
TODAY 0.00 0.20 1980 0.02 -0.02 0.00
MONTH TO DATE 0.01 0.18 -0.17 0.95
SINCE OCT 1 16.01 19.09 -3.08 20.13
SINCE JAN 1 7.45 12.12 -4.67 14.80
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 0 6 -6 0
MONTH TO DATE 45 57 -12 51
SINCE MAR 1 599 587 12 540
SINCE JUL 1 2132 2266 -134 1681
COOLING
TODAY 0 0 0 7
MONTH TO DATE 2 0 2 7
SINCE MAR 1 5 6 -1 8
SINCE JAN 1 5 6 -1 8
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 8.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 2:00 AM
LOWEST 39 1:00 PM
AVERAGE 63
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 84 2006
2021
MINIMUM TEMPERATURE (F) 51 43 1953
SUNRISE AND SUNSET
MAY 9 2025...........SUNRISE 6:05 AM PDT SUNSET 8:07 PM PDT
MAY 10 2025...........SUNRISE 6:04 AM PDT SUNSET 8:08 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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