992
CDUS46 KMTR 290035
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
535 PM PDT SUN SEP 28 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 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 75 1:58 PM 101 2020 79 -4 81
MINIMUM 67 6:18 AM 38 1894 56 11 61
AVERAGE 71 68 3 71
PRECIPITATION (IN)
TODAY 0.00 0.41 1976 0.01 -0.01 0.00
MONTH TO DATE 0.44 0.06 0.38 0.00
SINCE OCT 1 9.75 13.47 -3.72 17.06
SINCE JAN 1 6.11 9.32 -3.21 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 1 -1 0
MONTH TO DATE 0 6 -6 0
SINCE SEP 1 0 6 -6 0
SINCE JUL 1 1 12 -11 0
COOLING
TODAY 6 3 3 6
MONTH TO DATE 198 124 74 196
SINCE SEP 1 198 124 74 196
SINCE JAN 1 547 567 -20 1006
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 8.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 12:00 AM
LOWEST 59 1:00 PM
AVERAGE 68
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 96 1997
MINIMUM TEMPERATURE (F) 56 42 1905
1907
SUNRISE AND SUNSET
SEPTEMBER 28 2025.....SUNRISE 7:01 AM PDT SUNSET 6:55 PM PDT
SEPTEMBER 29 2025.....SUNRISE 7:02 AM PDT SUNSET 6:53 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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