878
CDUS46 KMTR 160827
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT WED SEP 16 2026
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 79 1:06 PM 102 1971 81 -2 90
MINIMUM 55 6:04 AM 36 1895 57 -2 60
AVERAGE 67 69 -2 75
PRECIPITATION (IN)
YESTERDAY 0.00 0.05 1908 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 2 4 -2 10
MONTH TO DATE 89 73 16 87
SINCE SEP 1 89 73 16 87
SINCE JAN 1 613 516 97 436
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 5.9
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 83 10:00 PM
LOWEST 45 11:00 AM
AVERAGE 64
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THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 103 1913
MINIMUM TEMPERATURE (F) 57 43 1896
SUNRISE AND SUNSET
SEPTEMBER 16 2026.....SUNRISE 6:51 AM PDT SUNSET 7:14 PM PDT
SEPTEMBER 17 2026.....SUNRISE 6:51 AM PDT SUNSET 7:12 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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