235
CDUS46 KMTR 190040
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
540 PM PDT SAT OCT 18 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 82 3:52 PM 98 1903 76 6 79
MINIMUM 53 6:40 AM 30 1893 52 1 57
AVERAGE 68 64 4 68
PRECIPITATION (IN)
TODAY 0.00 0.59 1894 0.02 -0.02 0.00
MONTH TO DATE 1.97 0.23 1.74 0.00
SINCE OCT 1 1.97 0.23 1.74 0.00
SINCE JAN 1 8.08 9.56 -1.48 13.63
SNOWFALL (IN)
TODAY MM 0.0 1947
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 28 27 1 0
SINCE SEP 1 28 39 -11 0
SINCE JUL 1 29 45 -16 0
COOLING
TODAY 3 1 2 3
MONTH TO DATE 35 40 -5 174
SINCE SEP 1 245 170 75 387
SINCE JAN 1 594 613 -19 1197
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 2.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 6:00 AM
LOWEST 33 4:00 PM
AVERAGE 58
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 2023
MINIMUM TEMPERATURE (F) 52 38 1919
1949
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 7:19 AM PDT SUNSET 6:26 PM PDT
OCTOBER 19 2025.......SUNRISE 7:20 AM PDT SUNSET 6:25 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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