329
CDUS46 KMTR 010031
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
531 PM PDT THU APR 30 2026
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR APRIL 30 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 71 MM 95 1996 71 0 76
MINIMUM 53 2:00 AM 32 1896 50 3 50
AVERAGE 62 61 1 63
PRECIPITATION (IN)
TODAY 0.00 0.58 1983 0.02 -0.02 0.00
MONTH TO DATE 1.85 1.07 0.78 0.31
SINCE OCT 1 12.59 12.79 -0.20 9.20
SINCE JAN 1 7.23 8.64 -1.41 5.56
SNOWFALL (IN)
TODAY MM 0.0 1947
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
TODAY 3 5 -2 2
MONTH TO DATE 140 199 -59 171
SINCE MAR 1 218 477 -259 483
SINCE JUL 1 1475 2060 -585 1654
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 4 11 -7 1
SINCE MAR 1 53 13 40 6
SINCE JAN 1 57 13 44 6
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 1:00 AM
LOWEST 51 4:00 PM
AVERAGE 70
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 96 1947
MINIMUM TEMPERATURE (F) 50 34 1893
SUNRISE AND SUNSET
APRIL 30 2026.........SUNRISE 6:14 AM PDT SUNSET 7:57 PM PDT
MAY 1 2026...........SUNRISE 6:13 AM PDT SUNSET 7:58 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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