CDUS46 KMTR 210826 CLISJC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT MON SEP 21 2026 ................................... ...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1893 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 68 12:27 PM 100 1939 80 -12 80 MINIMUM 58 1:18 AM 40 1895 57 1 63 AVERAGE 63 69 -6 72 PRECIPITATION (IN) YESTERDAY 0.00 0.02 2005 0.00 0.00 0.00 MONTH TO DATE 0.06 0.03 0.03 0.41 SINCE OCT 1 12.79 13.44 -0.65 9.72 SINCE JAN 1 7.43 9.29 -1.86 6.08 SNOWFALL (IN) YESTERDAY MM 0.0 1947 MONTH TO DATE T SINCE SEP 1 T SINCE JUL 1 T DEGREE DAYS HEATING YESTERDAY 2 0 2 0 MONTH TO DATE 2 0 2 0 SINCE SEP 1 2 0 2 0 SINCE JUL 1 4 6 -2 1 COOLING YESTERDAY 0 4 -4 7 MONTH TO DATE 99 93 6 131 SINCE SEP 1 99 93 6 131 SINCE JAN 1 623 536 87 480 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (340) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 5.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 3:00 AM LOWEST 63 12:00 PM AVERAGE 75 .......................................................... THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 101 1928 1939 MINIMUM TEMPERATURE (F) 57 39 1893 SUNRISE AND SUNSET SEPTEMBER 21 2026.....SUNRISE 6:55 AM PDT SUNSET 7:06 PM PDT SEPTEMBER 22 2026.....SUNRISE 6:56 AM PDT SUNSET 7:04 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$