CDUS46 KMTR 120039 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 439 PM PST THU DEC 11 2025 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 2025... VALID TODAY AS OF 0400 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 54 3:59 PM 74 1958 58 -4 58 MINIMUM 45 1:24 AM 26 1972 45 0 44 AVERAGE 50 52 -2 51 PRECIPITATION (IN) TODAY 0.00 3.43 2014 0.13 -0.13 0.03 MONTH TO DATE 0.00 1.39 -1.39 0.03 SINCE OCT 1 4.46 4.22 0.24 4.08 SINCE JAN 1 12.08 16.89 -4.81 18.98 SNOWFALL (IN) TODAY MM 0.0 MONTH TO DATE T SINCE DEC 1 T SINCE JUL 1 T SNOW DEPTH MM DEGREE DAYS HEATING TODAY 15 13 2 14 MONTH TO DATE 159 139 20 103 SINCE DEC 1 159 139 20 103 SINCE JUL 1 510 647 -137 644 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 150 201 -51 184 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (70) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (80) AVERAGE WIND SPEED 5.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 2:00 AM LOWEST 77 1:00 PM AVERAGE 85 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROWNORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 58 75 1958 MINIMUM TEMPERATURE (F) 45 29 1972 SUNRISE AND SUNSET DECEMBER 11 2025......SUNRISE 7:15 AM PST SUNSET 4:51 PM PST DECEMBER 12 2025......SUNRISE 7:15 AM PST SUNSET 4:51 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$