Climatological Report (Daily)
Issued by NWS
Issued by NWS
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943
CDUS46 KMTR 300828
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT WED JUL 30 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 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 1:12 PM 91 1977 73 -2 66
MINIMUM 58 5:40 AM 44 1951 56 2 55
AVERAGE 65 64 1 61
PRECIPITATION (IN)
YESTERDAY 0.00 T 1993 0.00 0.00 0.00
1994
1995
MONTH TO DATE T 0.00 0.00 0.00
SINCE OCT 1 16.11 19.53 -3.42 20.13
SINCE JAN 1 7.55 12.56 -5.01 14.80
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 4
MONTH TO DATE 68 58 10 45
SINCE JUN 1 211 155 56 158
SINCE JUL 1 68 58 10 45
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 29 -29 43
SINCE JUN 1 1 52 -51 49
SINCE JAN 1 7 72 -65 60
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 13.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 5:00 AM
LOWEST 59 1:00 PM
AVERAGE 75
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 97 1977
MINIMUM TEMPERATURE (F) 56 45 1954
SUNRISE AND SUNSET
JULY 30 2025..........SUNRISE 6:12 AM PDT SUNSET 8:19 PM PDT
JULY 31 2025..........SUNRISE 6:13 AM PDT SUNSET 8:18 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$