Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 170830
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT FRI OCT 17 2025
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR OCTOBER 16 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 71 2:28 PM 95 2020 76 -5 77
MINIMUM 50 6:35 AM 40 1920 53 -3 59
AVERAGE 61 64 -3 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.94 1984 0.02 -0.02 0.00
MONTH TO DATE 1.97 0.20 1.77 0.00
SINCE OCT 1 1.97 0.20 1.77 0.00
SINCE JAN 1 8.08 9.53 -1.45 13.63
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 4 2 2 0
MONTH TO DATE 26 23 3 0
SINCE SEP 1 26 35 -9 0
SINCE JUL 1 27 41 -14 0
COOLING
YESTERDAY 0 2 -2 3
MONTH TO DATE 32 38 -6 171
SINCE SEP 1 242 168 74 384
SINCE JAN 1 591 611 -20 1194
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 4.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 12:00 AM
LOWEST 49 2:00 PM
AVERAGE 70
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 95 2020
MINIMUM TEMPERATURE (F) 53 31 1893
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 7:18 AM PDT SUNSET 6:27 PM PDT
OCTOBER 18 2025.......SUNRISE 7:19 AM PDT SUNSET 6:26 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$