CDUS46 KMTR 240033 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 533 PM PDT THU OCT 23 2025 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 23 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 65 1:47 PM 90 1959 71 -6 71 MINIMUM 56 4:49 AM 40 1949 53 3 49 1961 AVERAGE 61 62 -1 60 PRECIPITATION (IN) TODAY 0.00 1.16 1989 0.03 -0.03 0.00 MONTH TO DATE 1.00 0.47 0.53 T SINCE OCT 1 1.00 0.47 0.53 T SINCE JAN 1 8.62 13.14 -4.52 14.90 SNOWFALL (IN) TODAY MM 0.0 MONTH TO DATE T SINCE SEP 1 T SINCE JUL 1 T SNOW DEPTH MM DEGREE DAYS HEATING TODAY 4 4 0 5 MONTH TO DATE 38 62 -24 47 SINCE SEP 1 41 108 -67 121 SINCE JUL 1 131 210 -79 251 COOLING TODAY 0 1 -1 0 MONTH TO DATE 17 31 -14 86 SINCE SEP 1 95 87 8 110 SINCE JAN 1 145 197 -52 184 ................................................................... WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 10.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 89 2:00 AM LOWEST 65 12:00 PM AVERAGE 77 ..........................................................THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 71 91 2017 MINIMUM TEMPERATURE (F) 52 41 1956 SUNRISE AND SUNSET OCTOBER 23 2025.......SUNRISE 7:26 AM PDT SUNSET 6:21 PM PDT OCTOBER 24 2025.......SUNRISE 7:27 AM PDT SUNSET 6:20 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$