698
CDUS46 KMTR 220035
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
535 PM PDT TUE APR 21 2026
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR APRIL 21 2026
VALID TODAY AS OF 0500 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 62 12:09 PM 92 2009 70 -8 78
MINIMUM 54 5:41 AM 33 1920 49 5 47
AVERAGE 58 59 -1 63
PRECIPITATION (IN)
TODAY 0.40 0.65 1980 0.03 0.37 0.00
MONTH TO DATE 1.77 0.88 0.89 0.25
SINCE OCT 1 12.51 12.60 -0.09 9.14
SINCE JAN 1 7.15 8.45 -1.30 5.50
SNOWFALL (IN)
TODAY MM 0.0 1947
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
TODAY 7 6 1 2
MONTH TO DATE 87 148 -61 111
SINCE MAR 1 165 426 -261 423
SINCE JUL 1 1422 2009 -587 1594
COOLING
TODAY 0 0 0 0
MONTH TO DATE 4 0 4 1
SINCE MAR 1 53 2 51 6
SINCE JAN 1 57 2 55 6
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 5.5
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 2:00 AM
LOWEST 65 12:00 PM
AVERAGE 81
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 89 1998
MINIMUM TEMPERATURE (F) 49 33 1912
SUNRISE AND SUNSET
APRIL 21 2026.........SUNRISE 6:25 AM PDT SUNSET 7:49 PM PDT
APRIL 22 2026.........SUNRISE 6:23 AM PDT SUNSET 7:49 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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