Climatological Report (Daily)
Issued by NWS
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909
CDUS46 KMTR 040827
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT MON AUG 04 2025
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR AUGUST 3 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 77 4:30 PM 99 1998 81 -4 90
MINIMUM 56 5:34 AM 46 1893 59 -3 63
1896
AVERAGE 67 70 -3 77
PRECIPITATION (IN)
YESTERDAY 0.00 0.06 1999 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 0 0 0 0
SINCE JUN 1 24 28 -4 0
SINCE JUL 1 1 4 -3 0
COOLING
YESTERDAY 2 5 -3 12
MONTH TO DATE 9 15 -6 30
SINCE JUN 1 138 250 -112 533
SINCE JAN 1 179 301 -122 603
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 7.2
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 87 2:00 AM
LOWEST 39 4:00 PM
AVERAGE 63
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 99 1998
MINIMUM TEMPERATURE (F) 59 46 1915
SUNRISE AND SUNSET
AUGUST 4 2025........SUNRISE 6:15 AM PDT SUNSET 8:12 PM PDT
AUGUST 5 2025........SUNRISE 6:16 AM PDT SUNSET 8:11 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$