Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 310826
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT THU JUL 31 2025
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JULY 30 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 2:09 PM 102 1995 81 -6 80
MINIMUM 61 11:59 PM 40 1895 59 2 63
AVERAGE 68 70 -2 72
PRECIPITATION (IN)
YESTERDAY 0.00 0.21 1966 0.00 0.00 0.00
MONTH TO DATE 0.00 0.00 0.00 T
SINCE OCT 1 9.31 13.36 -4.05 17.06
SINCE JAN 1 5.67 9.21 -3.54 13.63
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 24 24 0 0
SINCE JUL 1 1 0 1 0
COOLING
YESTERDAY 3 5 -2 7
MONTH TO DATE 82 139 -57 326
SINCE JUN 1 122 232 -110 494
SINCE JAN 1 163 283 -120 564
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 10:00 PM
LOWEST 52 11:00 AM
AVERAGE 68
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 101 1993
MINIMUM TEMPERATURE (F) 59 42 1895
SUNRISE AND SUNSET
JULY 31 2025..........SUNRISE 6:12 AM PDT SUNSET 8:16 PM PDT
AUGUST 1 2025........SUNRISE 6:13 AM PDT SUNSET 8:15 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$