Climatological Report (Daily)
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164
CDUS46 KMTR 170830
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT THU SEP 17 2026
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 74 1:54 PM 103 1913 81 -7 87
MINIMUM 58 5:49 AM 43 1896 57 1 63
AVERAGE 66 69 -3 75
PRECIPITATION (IN)
YESTERDAY 0.00 0.43 1989 0.00 0.00 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 1 4 -3 10
MONTH TO DATE 90 77 13 97
SINCE SEP 1 90 77 13 97
SINCE JAN 1 614 520 94 446
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 10.0
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 81 3:00 AM
LOWEST 48 2:00 PM
AVERAGE 65
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 102 1913
MINIMUM TEMPERATURE (F) 57 40 1895
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 6:51 AM PDT SUNSET 7:12 PM PDT
SEPTEMBER 18 2026.....SUNRISE 6:52 AM PDT SUNSET 7:10 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$