546
CDUS46 KMTR 050034
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
434 PM PST SUN JAN 04 2026
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JANUARY 4 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 57 12:28 AM 70 2018 59 -2 60
MINIMUM 52 9:57 AM 26 1910 41 11 44
1919
AVERAGE 55 50 5 52
PRECIPITATION (IN)
TODAY 1.07 1.92 1895 0.08 0.99 0.00
MONTH TO DATE 1.78 0.33 1.45 0.11
SINCE OCT 1 7.14 4.48 2.66 3.75
SINCE JAN 1 1.78 0.33 1.45 0.11
SNOWFALL (IN)
TODAY MM 0.0 1947
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
TODAY 10 15 -5 13
MONTH TO DATE 29 60 -31 44
SINCE DEC 1 402 506 -104 317
SINCE JUL 1 662 871 -209 543
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 2
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SE (130)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 10.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 80 12:00 AM
AVERAGE 88
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 71 1911
MINIMUM TEMPERATURE (F) 41 22 1894
SUNRISE AND SUNSET
JANUARY 4 2026.......SUNRISE 7:22 AM PST SUNSET 5:03 PM PST
JANUARY 5 2026.......SUNRISE 7:22 AM PST SUNSET 5:04 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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