Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 120027
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
527 PM PDT FRI SEP 11 2026
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 81 1:41 PM 100 1979 81 0 76
MINIMUM 61 5:45 AM 44 1896 58 3 62
1906
1928
AVERAGE 71 70 1 69
PRECIPITATION (IN)
TODAY 0.00 0.47 1918 0.00 0.00 0.00
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)
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 2 6 -4 1
COOLING
TODAY 6 5 1 4
MONTH TO DATE 75 55 20 65
SINCE SEP 1 75 55 20 65
SINCE JAN 1 599 498 101 414
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 5.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 2:00 AM
LOWEST 47 1:00 PM
AVERAGE 67
..........................................................
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 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.
$$