Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 150845
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT TUE SEP 15 2026
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 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 85 2:38 PM 104 1971 81 4 80
MINIMUM 55 3:54 AM 39 1894 58 -3 60
AVERAGE 70 69 1 70
PRECIPITATION (IN)
YESTERDAY 0.00 0.07 1910 0.01 -0.01 0.00
MONTH TO DATE 0.06 0.02 0.04 0.41
SINCE OCT 1 12.79 13.43 -0.64 9.72
SINCE JAN 1 7.43 9.28 -1.85 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 5 4 1 5
MONTH TO DATE 87 69 18 77
SINCE SEP 1 87 69 18 77
SINCE JAN 1 611 512 99 426
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 6.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 5:00 AM
LOWEST 23 2:00 PM
AVERAGE 52
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 102 1971
MINIMUM TEMPERATURE (F) 57 36 1895
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 6:50 AM PDT SUNSET 7:15 PM PDT
SEPTEMBER 16 2026.....SUNRISE 6:51 AM PDT SUNSET 7:14 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$