788
CDUS46 KMTR 040830
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT SAT OCT 04 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 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 71 3:30 PM 101 2024 79 -8 101
MINIMUM 58 11:59 PM 40 1908 55 3 68
1911
1916
AVERAGE 65 67 -2 85
PRECIPITATION (IN)
YESTERDAY 0.00 0.25 1898 0.01 -0.01 0.00
MONTH TO DATE 0.45 0.03 0.42 0.00
SINCE OCT 1 0.45 0.03 0.42 0.00
SINCE JAN 1 6.56 9.36 -2.80 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 1 -1 0
MONTH TO DATE 0 3 -3 0
SINCE SEP 1 0 15 -15 0
SINCE JUL 1 1 21 -20 0
COOLING
YESTERDAY 0 3 -3 20
MONTH TO DATE 10 9 1 57
SINCE SEP 1 220 139 81 270
SINCE JAN 1 569 582 -13 1080
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.4
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 84 12:00 AM
LOWEST 53 3:00 PM
AVERAGE 69
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THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 98 2024
MINIMUM TEMPERATURE (F) 55 41 1931
SUNRISE AND SUNSET
OCTOBER 4 2025.......SUNRISE 7:06 AM PDT SUNSET 6:46 PM PDT
OCTOBER 5 2025.......SUNRISE 7:07 AM PDT SUNSET 6:44 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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