805
CDUS46 KMTR 210838
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT TUE APR 21 2026
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR APRIL 20 2026
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)
YESTERDAY
MAXIMUM 73 10:35 AM 95 2009 70 3 71
MINIMUM 51 12:55 AM 28 1896 49 2 53
AVERAGE 62 59 3 62
PRECIPITATION (IN)
YESTERDAY 0.56 0.57 1963 0.04 0.52 0.00
MONTH TO DATE 1.37 0.85 0.52 0.25
SINCE OCT 1 12.11 12.57 -0.46 9.14
SINCE JAN 1 6.75 8.42 -1.67 5.50
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 3 6 -3 3
MONTH TO DATE 80 142 -62 109
SINCE MAR 1 158 420 -262 421
SINCE JUL 1 1415 2003 -588 1592
COOLING
YESTERDAY 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 6 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 9:00 PM
LOWEST 22 11:00 AM
AVERAGE 60
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THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 92 2009
MINIMUM TEMPERATURE (F) 49 33 1920
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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