342
CDUS46 KMTR 110046
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
546 PM PDT WED SEP 10 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 73 10:53 AM 98 1903 81 -8 77
MINIMUM 64 6:15 AM 42 1893 58 6 60
AVERAGE 69 70 -1 69
PRECIPITATION (IN)
TODAY 0.41R 0.02 1978 0.00 0.41 0.00
MONTH TO DATE 0.41 0.01 0.40 0.00
SINCE OCT 1 9.72 13.42 -3.70 17.06
SINCE JAN 1 6.08 9.27 -3.19 13.63
SNOWFALL (IN)
TODAY MM 0.0 1947
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
TODAY 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
TODAY 4 5 -1 4
MONTH TO DATE 61 50 11 88
SINCE SEP 1 61 50 11 88
SINCE JAN 1 410 493 -83 898
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (110)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 3.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 2:00 PM
LOWEST 61 11:00 AM
AVERAGE 74
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 100 1979
MINIMUM TEMPERATURE (F) 58 44 1896
1906
1928
SUNRISE AND SUNSET
SEPTEMBER 10 2025.....SUNRISE 6:46 AM PDT SUNSET 7:22 PM PDT
SEPTEMBER 11 2025.....SUNRISE 6:47 AM PDT SUNSET 7:21 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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