824
CDUS46 KMTR 180027
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
527 PM PDT THU JUL 17 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 17 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 71 1:51 PM 91 1961 73 -2 67
MINIMUM 57 5:16 AM 47 1954 55 2 55
AVERAGE 64 64 0 61
PRECIPITATION (IN)
TODAY 0.00 T 1981 0.00 0.00 0.00
1994
2011
MONTH TO DATE 0.00 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)
TODAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 1 2 -1 4
MONTH TO DATE 46 34 12 17
SINCE JUN 1 189 131 58 130
SINCE JUL 1 46 34 12 17
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 0 17 -17 31
SINCE JUN 1 1 40 -39 37
SINCE JAN 1 7 60 -53 48
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 10.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 12:00 AM
LOWEST 57 1:00 PM
AVERAGE 71
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 88 1968
MINIMUM TEMPERATURE (F) 56 50 1949
1960
1999
SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE 6:02 AM PDT SUNSET 8:29 PM PDT
JULY 18 2025..........SUNRISE 6:03 AM PDT SUNSET 8:29 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page