Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 190045
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
545 PM PDT SAT JUL 18 2026
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 18 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 72 12:46 PM 88 1968 73 -1 67
MINIMUM 58 5:40 AM 50 1949 56 2 57
1960
1999
AVERAGE 65 64 1 62
PRECIPITATION (IN)
TODAY 0.00 0.01 2007 0.00 0.00 0.00
MONTH TO DATE 0.00 0.00 0.00 0.00
SINCE OCT 1 19.59 19.53 0.06 16.11
SINCE JAN 1 10.74 12.56 -1.82 7.55
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 0 2 -2 3
MONTH TO DATE 42 36 6 49
SINCE JUN 1 102 133 -31 192
SINCE JUL 1 42 36 6 49
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 15 18 -3 0
SINCE JUN 1 34 41 -7 1
SINCE JAN 1 77 61 16 7
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 10.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 12:00 AM
LOWEST 55 1:00 PM
AVERAGE 71
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 1961
MINIMUM TEMPERATURE (F) 56 49 1981
SUNRISE AND SUNSET
JULY 18 2026..........SUNRISE 6:02 AM PDT SUNSET 8:29 PM PDT
JULY 19 2026..........SUNRISE 6:03 AM PDT SUNSET 8:28 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$