664
CDUS46 KMTR 160027
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
527 PM PDT MON SEP 15 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 90 3:31 PM 102 1971 81 9 75
MINIMUM 60 5:18 AM 36 1895 57 3 57
AVERAGE 75 69 6 66
PRECIPITATION (IN)
TODAY 0.00 0.05 1908 0.00 0.00 0.00
MONTH TO DATE 0.41 0.02 0.39 0.00
SINCE OCT 1 9.72 13.43 -3.71 17.06
SINCE JAN 1 6.08 9.28 -3.20 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 10 4 6 1
MONTH TO DATE 87 73 14 114
SINCE SEP 1 87 73 14 114
SINCE JAN 1 436 516 -80 924
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 2.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1:00 AM
LOWEST 32 3:00 PM
AVERAGE 61
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 103 1913
MINIMUM TEMPERATURE (F) 57 43 1896
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 6:50 AM PDT SUNSET 7:15 PM PDT
SEPTEMBER 16 2025.....SUNRISE 6:51 AM PDT SUNSET 7:13 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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