498
CDUS46 KMTR 130828
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT WED AUG 13 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR AUGUST 12 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 76 3:04 PM 100 1996 81 -5 81
MINIMUM 59 12:31 AM 44 1919 59 0 61
AVERAGE 68 70 -2 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.01 1991 0.00 0.00 0.00
MONTH TO DATE 0.00 0.02 -0.02 T
SINCE OCT 1 9.31 13.38 -4.07 17.06
SINCE JAN 1 5.67 9.23 -3.56 13.63
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 24 28 -4 0
SINCE JUL 1 1 4 -3 0
COOLING
YESTERDAY 3 5 -2 6
MONTH TO DATE 60 60 0 94
SINCE JUN 1 189 295 -106 597
SINCE JAN 1 230 346 -116 667
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 10:00 PM
LOWEST 50 12:00 PM
AVERAGE 69
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THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 100 1996
MINIMUM TEMPERATURE (F) 59 44 1894
SUNRISE AND SUNSET
AUGUST 13 2025........SUNRISE 6:23 AM PDT SUNSET 8:02 PM PDT
AUGUST 14 2025........SUNRISE 6:23 AM PDT SUNSET 8:00 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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