CDUS46 KMTR 110040 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 440 PM PST WED DEC 10 2025 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 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 55 3:32 PM 70 1958 59 -4 58 MINIMUM 44 4:07 AM 29 1972 45 -1 46 AVERAGE 50 52 -2 52 PRECIPITATION (IN) TODAY 0.00 1.48 1996 0.13 -0.13 0.00 MONTH TO DATE 0.00 1.26 -1.26 0.00 SINCE OCT 1 4.46 4.09 0.37 4.05 SINCE JAN 1 12.08 16.76 -4.68 18.95 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 13 MONTH TO DATE 144 126 18 89 SINCE DEC 1 144 126 18 89 SINCE JUL 1 495 634 -139 630 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 NE (40) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20) HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 5.1 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 3:00 AM LOWEST 72 2:00 PM AVERAGE 83 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROWNORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 58 74 1958 MINIMUM TEMPERATURE (F) 45 26 1972 SUNRISE AND SUNSET DECEMBER 10 2025......SUNRISE 7:14 AM PST SUNSET 4:51 PM PST DECEMBER 11 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. $$