Climatological Report (Daily)
Issued by NWS
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907
CDUS46 KMTR 200836
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT WED AUG 20 2025
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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 80 2:39 PM 98 1950 82 -2 82
MINIMUM 58 5:48 AM 43 1893 59 -1 59
AVERAGE 69 70 -1 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.30 1976 0.01 -0.01 0.00
MONTH TO DATE 0.00 0.03 -0.03 T
SINCE OCT 1 9.31 13.39 -4.08 17.06
SINCE JAN 1 5.67 9.24 -3.57 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 94 95 -1 144
SINCE JUN 1 223 330 -107 647
SINCE JAN 1 264 381 -117 717
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 5:00 AM
LOWEST 42 2:00 PM
AVERAGE 59
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 98 1964
MINIMUM TEMPERATURE (F) 59 42 1893
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 6:29 AM PDT SUNSET 7:53 PM PDT
AUGUST 21 2025........SUNRISE 6:29 AM PDT SUNSET 7:51 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$