539
CDUS46 KMTR 230836
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT THU OCT 23 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR OCTOBER 22 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 70 2:06 PM 90 1901 75 -5 74
1929
MINIMUM 56 11:54 PM 31 1906 52 4 54
AVERAGE 63 63 0 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.34 1899 0.02 -0.02 0.00
MONTH TO DATE 1.97 0.31 1.66 0.00
SINCE OCT 1 1.97 0.31 1.66 0.00
SINCE JAN 1 8.08 9.64 -1.56 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 2 3 -1 1
MONTH TO DATE 30 38 -8 1
SINCE SEP 1 30 50 -20 1
SINCE JUL 1 31 56 -25 1
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 40 44 -4 183
SINCE SEP 1 250 174 76 396
SINCE JAN 1 599 617 -18 1206
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 3:00 AM
LOWEST 57 3:00 PM
AVERAGE 71
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THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 90 1959
MINIMUM TEMPERATURE (F) 51 35 1906
SUNRISE AND SUNSET
OCTOBER 23 2025.......SUNRISE 7:24 AM PDT SUNSET 6:20 PM PDT
OCTOBER 24 2025.......SUNRISE 7:25 AM PDT SUNSET 6:18 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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