511
CDUS46 KMTR 270842
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
142 AM PDT MON JUL 27 2026
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 26 2026
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)
YESTERDAY
MAXIMUM 69 4:04 PM 94 1963 73 -4 69
MINIMUM 59 11:59 PM 49 1951 56 3 57
AVERAGE 64 64 0 63
PRECIPITATION (IN)
YESTERDAY 0.00 T 1971 0.00 0.00 0.00
1978
1979
MONTH TO DATE T 0.00 0.00 T
SINCE OCT 1 19.59 19.53 0.06 16.11
SINCE JAN 1 10.74 12.56 -1.82 7.55
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 1 2 -1 2
MONTH TO DATE 48 52 -4 65
SINCE JUN 1 108 149 -41 208
SINCE JUL 1 48 52 -4 65
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 33 26 7 0
SINCE JUN 1 52 49 3 1
SINCE JAN 1 95 69 26 7
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 18 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 17.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 1:00 AM
LOWEST 65 2:00 PM
AVERAGE 76
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 86 1967
MINIMUM TEMPERATURE (F) 56 48 1951
SUNRISE AND SUNSET
JULY 27 2026..........SUNRISE 6:09 AM PDT SUNSET 8:22 PM PDT
JULY 28 2026..........SUNRISE 6:10 AM PDT SUNSET 8:21 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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