331
CDUS46 KMTR 260030
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
530 PM PDT FRI SEP 25 2026
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 78 MM 99 2019 80 -2 84
MINIMUM 61 MM 42 1929 56 5 62
AVERAGE 70 68 2 73
PRECIPITATION (IN)
TODAY 0.00 0.69 1909 0.00 0.00 0.03
MONTH TO DATE 0.06 0.04 0.02 0.44
SINCE OCT 1 12.79 13.45 -0.66 9.75
SINCE JAN 1 7.43 9.30 -1.87 6.11
SNOWFALL (IN)
TODAY MM 0.0 1947
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 2 3 -1 0
SINCE SEP 1 2 3 -1 0
SINCE JUL 1 4 9 -5 1
COOLING
TODAY 5 4 1 8
MONTH TO DATE 121 113 8 180
SINCE SEP 1 121 113 8 180
SINCE JAN 1 645 556 89 529
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 7:00 AM
LOWEST 48 2:00 PM
AVERAGE 69
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 98 1963
2016
MINIMUM TEMPERATURE (F) 56 38 1893
SUNRISE AND SUNSET
SEPTEMBER 25 2026.....SUNRISE 6:58 AM PDT SUNSET 7:00 PM PDT
SEPTEMBER 26 2026.....SUNRISE 6:59 AM PDT SUNSET 6:58 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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