236
CDUS46 KMTR 260039
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
539 PM PDT THU SEP 25 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 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 84 11:45 AM 99 2019 80 4 79
MINIMUM 66 5:47 AM 42 1929 56 10 59
AVERAGE 75 68 7 69
PRECIPITATION (IN)
TODAY 0.03 0.69 1909 0.00 0.03 0.00
MONTH TO DATE 0.44 0.04 0.40 0.00
SINCE OCT 1 9.75 13.45 -3.70 17.06
SINCE JAN 1 6.11 9.30 -3.19 13.63
SNOWFALL (IN)
TODAY MM 0.0 1947
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 0 3 -3 0
SINCE SEP 1 0 3 -3 0
SINCE JUL 1 1 9 -8 0
COOLING
TODAY 10 4 6 4
MONTH TO DATE 182 113 69 171
SINCE SEP 1 182 113 69 171
SINCE JAN 1 531 556 -25 981
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 46 12:00 PM
AVERAGE 67
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 98 1963
2016
MINIMUM TEMPERATURE (F) 56 38 1893
SUNRISE AND SUNSET
SEPTEMBER 25 2025.....SUNRISE 6:58 AM PDT SUNSET 6:59 PM PDT
SEPTEMBER 26 2025.....SUNRISE 6:59 AM PDT SUNSET 6:58 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page