Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 300829
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT SAT AUG 30 2025
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR AUGUST 29 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 78 1:56 PM 100 2009 82 -4 83
MINIMUM 60 4:27 AM 44 1895 58 2 59
1912
AVERAGE 69 70 -1 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.05 1953 0.00 0.00 0.00
MONTH TO DATE 0.00 0.04 -0.04 T
SINCE OCT 1 9.31 13.40 -4.09 17.06
SINCE JAN 1 5.67 9.25 -3.58 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 0 0 0 0
SINCE JUN 1 24 28 -4 0
SINCE JUL 1 1 4 -3 0
COOLING
YESTERDAY 4 5 -1 6
MONTH TO DATE 156 145 11 225
SINCE JUN 1 285 380 -95 728
SINCE JAN 1 326 431 -105 798
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 7.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 54 2:00 PM
AVERAGE 71
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 98 1968
MINIMUM TEMPERATURE (F) 58 43 1895
SUNRISE AND SUNSET
AUGUST 30 2025........SUNRISE 6:37 AM PDT SUNSET 7:39 PM PDT
AUGUST 31 2025........SUNRISE 6:38 AM PDT SUNSET 7:37 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$