Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
877
CDUS46 KMTR 010838
CLISJC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT WED OCT 01 2025

...................................

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 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         77   3:04 PM  95    2001  79     -2       95
                                      2024
  MINIMUM         62   6:25 AM  35    1893  56      6       56
  AVERAGE         70                        67      3       76

PRECIPITATION (IN)
  YESTERDAY        T             0.69 1894   0.01  -0.01     0.00
  MONTH TO DATE    0.44                      0.07   0.37     0.00
  SINCE OCT 1      9.75                     13.48  -3.73    17.06
  SINCE JAN 1      6.11                      9.33  -3.22    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        0                         1     -1        0
  MONTH TO DATE    0                         8     -8        0
  SINCE SEP 1      0                         8     -8        0
  SINCE JUL 1      1                        14    -13        0

 COOLING
  YESTERDAY        5                         3      2       11
  MONTH TO DATE  210                       130     80      213
  SINCE SEP 1    210                       130     80      213
  SINCE JAN 1    559                       573    -14     1023
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     9.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           5:00 AM
 LOWEST     48           4:00 PM
 AVERAGE    66

..........................................................


THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79       100      2024
 MINIMUM TEMPERATURE (F)   56        39      1894


SUNRISE AND SUNSET
OCTOBER  1 2025.......SUNRISE   7:04 AM PDT   SUNSET   6:50 PM PDT
OCTOBER  2 2025.......SUNRISE   7:04 AM PDT   SUNSET   6:49 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$