


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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571 CDUS46 KMTR 020044 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 544 PM PDT FRI AUG 01 2025 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 1 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 68 2:20 PM 89 1975 73 -5 68 MINIMUM 57 6:02 AM 48 1951 56 1 54 AVERAGE 63 64 -1 61 PRECIPITATION (IN) TODAY 0.00 0.01 2022 0.00 0.00 0.00 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 MM SINCE JUN 1 T SINCE JUL 1 T SNOW DEPTH MM DEGREE DAYS HEATING TODAY 2 2 0 4 MONTH TO DATE 2 2 0 4 SINCE JUN 1 214 157 57 167 SINCE JUL 1 71 60 11 54 COOLING TODAY 0 1 -1 0 MONTH TO DATE 0 1 -1 0 SINCE JUN 1 2 50 -48 49 SINCE JAN 1 8 70 -62 60 ................................................................... WIND (MPH) RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 13.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 89 6:00 AM LOWEST 61 12:00 PM AVERAGE 75 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 91 1946 MINIMUM TEMPERATURE (F) 56 49 1945 1982 SUNRISE AND SUNSET AUGUST 1 2025........SUNRISE 6:14 AM PDT SUNSET 8:17 PM PDT AUGUST 2 2025........SUNRISE 6:15 AM PDT SUNSET 8:16 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$