Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 290837
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT TUE SEP 29 2026
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 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 76 2:20 PM 101 2020 79 -3 75
MINIMUM 51 4:27 AM 38 1894 56 -5 67
AVERAGE 64 68 -4 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.41 1976 0.01 -0.01 0.00
MONTH TO DATE 0.06 0.06 0.00 0.44
SINCE OCT 1 12.79 13.47 -0.68 9.75
SINCE JAN 1 7.43 9.32 -1.89 6.11
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 1 1 0 0
MONTH TO DATE 3 6 -3 0
SINCE SEP 1 3 6 -3 0
SINCE JUL 1 5 12 -7 1
COOLING
YESTERDAY 0 3 -3 6
MONTH TO DATE 120 124 -4 198
SINCE SEP 1 120 124 -4 198
SINCE JAN 1 644 567 77 547
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 5.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 2:00 AM
LOWEST 40 2:00 PM
AVERAGE 63
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 96 1997
MINIMUM TEMPERATURE (F) 56 42 1905
1907
SUNRISE AND SUNSET
SEPTEMBER 29 2026.....SUNRISE 7:02 AM PDT SUNSET 6:54 PM PDT
SEPTEMBER 30 2026.....SUNRISE 7:02 AM PDT SUNSET 6:52 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$