Climatological Report (Daily)
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837
CDUS46 KMTR 010042
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
542 PM PDT SUN AUG 31 2025
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR AUGUST 31 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 94 1:14 PM 95 1943 82 12 79
2005
2017
MINIMUM 62 5:45 AM 46 1895 58 4 63
1903
1905
AVERAGE 78 70 8 71
PRECIPITATION (IN)
TODAY 0.00 0.10 1964 0.00 0.00 0.00
MONTH TO DATE 0.00 0.05 -0.05 T
SINCE OCT 1 9.31 13.41 -4.10 17.06
SINCE JAN 1 5.67 9.26 -3.59 13.63
SNOWFALL (IN)
TODAY MM 0.0 1947
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 24 28 -4 0
SINCE JUL 1 1 4 -3 0
COOLING
TODAY 13 5 8 6
MONTH TO DATE 179 157 22 237
SINCE JUN 1 308 392 -84 740
SINCE JAN 1 349 443 -94 810
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 4.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 3:00 AM
LOWEST 16 1:00 PM
AVERAGE 45
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 108 2017
MINIMUM TEMPERATURE (F) 58 44 1895
1910
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 6:38 AM PDT SUNSET 7:37 PM PDT
SEPTEMBER 1 2025.....SUNRISE 6:39 AM PDT SUNSET 7:36 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$