Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 110839
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
139 AM PDT FRI SEP 11 2026
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 2026...
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)
YESTERDAY
MAXIMUM 96 2:21 PM 98 1903 81 15 73
MINIMUM 64 11:59 PM 42 1893 58 6 64
AVERAGE 80 70 10 69
PRECIPITATION (IN)
YESTERDAY 0.00 0.41 2025 0.00 0.00 0.41
MONTH TO DATE 0.06 0.01 0.05 0.41
SINCE OCT 1 12.79 13.42 -0.63 9.72
SINCE JAN 1 7.43 9.27 -1.84 6.08
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 2 6 -4 1
COOLING
YESTERDAY 15 5 10 4
MONTH TO DATE 69 50 19 61
SINCE SEP 1 69 50 19 61
SINCE JAN 1 593 493 100 410
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 11:00 PM
LOWEST 17 3:00 PM
AVERAGE 48
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 100 1979
MINIMUM TEMPERATURE (F) 58 44 1896
1906
1928
SUNRISE AND SUNSET
SEPTEMBER 11 2026.....SUNRISE 6:47 AM PDT SUNSET 7:21 PM PDT
SEPTEMBER 12 2026.....SUNRISE 6:47 AM PDT SUNSET 7:20 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$