171
CDUS46 KMTR 310827
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT FRI OCT 31 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR OCTOBER 30 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 68 2:16 PM 88 1939 72 -4 70
MINIMUM 53 3:36 AM 35 1919 50 3 47
1922
AVERAGE 61 61 0 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.80 1936 0.02 -0.02 0.00
MONTH TO DATE 2.00 0.50 1.50 0.01
SINCE OCT 1 2.00 0.50 1.50 0.01
SINCE JAN 1 8.11 9.83 -1.72 13.64
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 4 5 -1 6
MONTH TO DATE 50 68 -18 15
SINCE SEP 1 50 80 -30 15
SINCE JUL 1 51 86 -35 15
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 40 49 -9 191
SINCE SEP 1 250 179 71 404
SINCE JAN 1 599 622 -23 1214
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 68 2:00 PM
AVERAGE 81
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THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 85 2015
MINIMUM TEMPERATURE (F) 49 33 1935
SUNRISE AND SUNSET
OCTOBER 31 2025.......SUNRISE 7:32 AM PDT SUNSET 6:10 PM PDT
NOVEMBER 1 2025......SUNRISE 7:33 AM PDT SUNSET 6:09 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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