


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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988 CDUS46 KMTR 030839 CLISJC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 139 AM PDT WED SEP 03 2025 ................................... ...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 2 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1893 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 86 11:53 AM 107 2017 82 4 80 MINIMUM 64 11:59 PM 42 1895 58 6 58 AVERAGE 75 70 5 69 PRECIPITATION (IN) YESTERDAY 0.00 0.08 1912 0.00 0.00 0.00 MONTH TO DATE 0.00 0.00 0.00 0.00 SINCE OCT 1 9.31 13.41 -4.10 17.06 SINCE JAN 1 5.67 9.26 -3.59 13.63 SNOWFALL (IN) YESTERDAY MM 0.0 1947 MONTH TO DATE T SINCE SEP 1 T SINCE JUL 1 T DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 0 0 0 0 SINCE JUL 1 1 6 -5 0 COOLING YESTERDAY 10 5 5 4 MONTH TO DATE 21 10 11 9 SINCE SEP 1 21 10 11 9 SINCE JAN 1 370 453 -83 819 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 8.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 73 11:00 PM LOWEST 40 3:00 PM AVERAGE 57 .......................................................... THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 99 1950 MINIMUM TEMPERATURE (F) 58 45 1919 SUNRISE AND SUNSET SEPTEMBER 3 2025.....SUNRISE 6:40 AM PDT SUNSET 7:33 PM PDT SEPTEMBER 4 2025.....SUNRISE 6:41 AM PDT SUNSET 7:31 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$