200
CDUS46 KMTR 080831
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
131 AM PDT MON SEP 08 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 2:39 PM 106 1904 82 -1 85
MINIMUM 61 2:32 AM 44 1911 58 3 62
AVERAGE 71 70 1 74
PRECIPITATION (IN)
YESTERDAY 0.00 0.14 1969 0.00 0.00 0.00
MONTH TO DATE 0.00 0.00 0.00 0.00
SINCE OCT 1 9.31 13.41 -4.10 17.06
SINCE JAN 1 5.67 9.26 -3.59 13.63
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 1 6 -5 0
COOLING
YESTERDAY 6 5 1 9
MONTH TO DATE 44 35 9 68
SINCE SEP 1 44 35 9 68
SINCE JAN 1 393 478 -85 878
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 2:00 AM
LOWEST 42 2:00 PM
AVERAGE 64
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THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 104 2022
MINIMUM TEMPERATURE (F) 58 42 1914
SUNRISE AND SUNSET
SEPTEMBER 8 2025.....SUNRISE 6:44 AM PDT SUNSET 7:25 PM PDT
SEPTEMBER 9 2025.....SUNRISE 6:45 AM PDT SUNSET 7:24 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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