


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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788 CDUS46 KMTR 040830 CLISJC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 130 AM PDT SAT OCT 04 2025 ................................... ...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 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 71 3:30 PM 101 2024 79 -8 101 MINIMUM 58 11:59 PM 40 1908 55 3 68 1911 1916 AVERAGE 65 67 -2 85 PRECIPITATION (IN) YESTERDAY 0.00 0.25 1898 0.01 -0.01 0.00 MONTH TO DATE 0.45 0.03 0.42 0.00 SINCE OCT 1 0.45 0.03 0.42 0.00 SINCE JAN 1 6.56 9.36 -2.80 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 1 -1 0 MONTH TO DATE 0 3 -3 0 SINCE SEP 1 0 15 -15 0 SINCE JUL 1 1 21 -20 0 COOLING YESTERDAY 0 3 -3 20 MONTH TO DATE 10 9 1 57 SINCE SEP 1 220 139 81 270 SINCE JAN 1 569 582 -13 1080 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (320) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 6.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 12:00 AM LOWEST 53 3:00 PM AVERAGE 69 .......................................................... THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 98 2024 MINIMUM TEMPERATURE (F) 55 41 1931 SUNRISE AND SUNSET OCTOBER 4 2025.......SUNRISE 7:06 AM PDT SUNSET 6:46 PM PDT OCTOBER 5 2025.......SUNRISE 7:07 AM PDT SUNSET 6:44 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$