866
CDUS46 KMTR 120030
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
530 PM PDT THU SEP 11 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 76 2:40 PM 100 1979 81 -5 78
MINIMUM 64 6:39 AM 44 1896 58 6 57
1906
1928
AVERAGE 70 70 0 68
PRECIPITATION (IN)
TODAY 0.00 0.47 1918 0.00 0.00 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 5 5 0 3
MONTH TO DATE 66 55 11 91
SINCE SEP 1 66 55 11 91
SINCE JAN 1 415 498 -83 901
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 5.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 2:00 AM
LOWEST 57 11:00 AM
AVERAGE 68
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 101 1979
MINIMUM TEMPERATURE (F) 58 43 1894
SUNRISE AND SUNSET
SEPTEMBER 11 2025.....SUNRISE 6:47 AM PDT SUNSET 7:21 PM PDT
SEPTEMBER 12 2025.....SUNRISE 6:48 AM PDT SUNSET 7:19 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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