CDUS46 KMTR 220034 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 534 PM PDT FRI AUG 21 2026 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 21 2026... VALID TODAY AS OF 0500 PM LOCAL TIME. 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) TODAY MAXIMUM 68 2:19 PM 85 1974 74 -6 81 MINIMUM 58 6:57 AM 48 1952 57 1 57 AVERAGE 63 65 -2 69 PRECIPITATION (IN) TODAY 0.00 0.04 1968 0.00 0.00 0.00 MONTH TO DATE 0.03 0.02 0.01 T SINCE OCT 1 19.62 19.55 0.07 16.11 SINCE JAN 1 10.77 12.58 -1.81 7.55 SNOWFALL (IN) TODAY MM 0.0 MONTH TO DATE T SINCE JUN 1 T SINCE JUL 1 T SNOW DEPTH MM DEGREE DAYS HEATING TODAY 2 1 1 0 MONTH TO DATE 14 31 -17 17 SINCE JUN 1 124 186 -62 229 SINCE JUL 1 64 89 -25 86 COOLING TODAY 0 2 -2 4 MONTH TO DATE 11 22 -11 21 SINCE JUN 1 63 71 -8 23 SINCE JAN 1 106 91 15 29 ................................................................... WIND (MPH) RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 13.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 12:00 AM LOWEST 68 12:00 PM AVERAGE 81 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROWNORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 90 1999 MINIMUM TEMPERATURE (F) 57 49 1955 SUNRISE AND SUNSET AUGUST 21 2026........SUNRISE 6:31 AM PDT SUNSET 7:54 PM PDT AUGUST 22 2026........SUNRISE 6:31 AM PDT SUNSET 7:53 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$