757
CDUS46 KMTR 200033
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
533 PM PDT FRI SEP 19 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 81 1:16 PM 98 2000 81 0 77
MINIMUM 62 4:51 AM 39 1893 57 5 60
AVERAGE 72 69 3 69
PRECIPITATION (IN)
TODAY 0.00 0.58 1977 0.01 -0.01 0.00
MONTH TO DATE 0.41 0.03 0.38 0.00
SINCE OCT 1 9.72 13.44 -3.72 17.06
SINCE JAN 1 6.08 9.29 -3.21 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 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 1 6 -5 0
COOLING
TODAY 7 4 3 4
MONTH TO DATE 124 89 35 126
SINCE SEP 1 124 89 35 126
SINCE JAN 1 473 532 -59 936
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 12:00 AM
LOWEST 47 12:00 PM
AVERAGE 67
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 100 1939
MINIMUM TEMPERATURE (F) 57 40 1895
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 6:53 AM PDT SUNSET 7:09 PM PDT
SEPTEMBER 20 2025.....SUNRISE 6:54 AM PDT SUNSET 7:07 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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