Climatological Report (Daily)
Issued by NWS
Issued by NWS
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744
CDUS46 KMTR 190035
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
535 PM PDT MON AUG 18 2025
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 80 2:53 PM 97 1934 82 -2 80
2020
MINIMUM 57 5:50 AM 44 1916 59 -2 64
AVERAGE 69 70 -1 72
PRECIPITATION (IN)
TODAY 0.00 0.68 1975 0.00 0.00 0.00
MONTH TO DATE 0.00 0.02 -0.02 T
SINCE OCT 1 9.31 13.38 -4.07 17.06
SINCE JAN 1 5.67 9.23 -3.56 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 4 5 -1 7
MONTH TO DATE 90 90 0 138
SINCE JUN 1 219 325 -106 641
SINCE JAN 1 260 376 -116 711
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 1:00 AM
LOWEST 34 3:00 PM
AVERAGE 56
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 98 1950
MINIMUM TEMPERATURE (F) 59 43 1893
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 6:27 AM PDT SUNSET 7:55 PM PDT
AUGUST 19 2025........SUNRISE 6:28 AM PDT SUNSET 7:54 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$