617
CDUS46 KMTR 300829
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT SAT AUG 30 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 29 2025
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)
YESTERDAY
MAXIMUM 71 2:14 PM 98 1968 74 -3 71
MINIMUM 59 4:00 AM 49 1955 56 3 57
AVERAGE 65 65 0 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.14 1992 0.01 -0.01 0.00
MONTH TO DATE T 0.04 -0.04 0.10
SINCE OCT 1 16.11 19.57 -3.46 20.23
SINCE JAN 1 7.55 12.60 -5.05 14.90
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 1
MONTH TO DATE 21 39 -18 79
SINCE JUN 1 233 194 39 242
SINCE JUL 1 90 97 -7 129
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 29 38 -9 14
SINCE JUN 1 31 87 -56 63
SINCE JAN 1 37 107 -70 74
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 15.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 57 2:00 PM
AVERAGE 72
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 91 2023
MINIMUM TEMPERATURE (F) 56 45 1952
1955
SUNRISE AND SUNSET
AUGUST 30 2025........SUNRISE 6:38 AM PDT SUNSET 7:41 PM PDT
AUGUST 31 2025........SUNRISE 6:39 AM PDT SUNSET 7:39 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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