CDUS46 KMTR 210827 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 127 AM PDT SAT MAR 21 2026 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MARCH 20 2026... 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) YESTERDAY MAXIMUM 89R 3:21 PM 78 2004 64 25 60 MINIMUM 58 11:59 PM 38 1952 48 10 46 1982 AVERAGE 74 56 18 53 PRECIPITATION (IN) YESTERDAY 0.00 1.51 1958 0.08 -0.08 0.00 MONTH TO DATE 0.01 1.92 -1.91 1.47 SINCE OCT 1 16.12 16.74 -0.62 15.39 SINCE JAN 1 7.27 9.77 -2.50 6.83 SNOWFALL (IN) YESTERDAY MM 0.0 MONTH TO DATE T SINCE MAR 1 T SINCE JUL 1 T DEGREE DAYS HEATING YESTERDAY 0 9 -9 12 MONTH TO DATE 81 197 -116 237 SINCE MAR 1 81 197 -116 237 SINCE JUL 1 1429 1876 -447 1770 COOLING YESTERDAY 9 0 9 0 MONTH TO DATE 24 0 24 0 SINCE MAR 1 24 0 24 0 SINCE JAN 1 25 0 25 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (330) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 5.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 4:00 AM LOWEST 29 4:00 PM AVERAGE 61 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 74 19651997 MINIMUM TEMPERATURE (F) 48 38 1955 1969 SUNRISE AND SUNSET MARCH 21 2026.........SUNRISE 7:11 AM PDT SUNSET 7:23 PM PDT MARCH 22 2026.........SUNRISE 7:10 AM PDT SUNSET 7:23 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$