Climatological Report (Daily)
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467
CDUS46 KMTR 210036
CLISJC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
536 PM PDT THU AUG 20 2026

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

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         77   2:56 PM  98    1964  82     -5       90
  MINIMUM         59   1:40 AM  42    1893  59      0       57
  AVERAGE         68                        70     -2       74

PRECIPITATION (IN)
  TODAY            0.00          0.50 1997   0.00   0.00     0.00
  MONTH TO DATE    0.00                      0.03  -0.03     0.00
  SINCE OCT 1     12.73                     13.39  -0.66     9.31
  SINCE JAN 1      7.37                      9.24  -1.87     5.67

SNOWFALL (IN)
  TODAY           MM             0.0  1947
  MONTH TO DATE    T
  SINCE JUN 1      T
  SINCE JUL 1      T

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      5                        28    -23       24
  SINCE JUL 1      2                         4     -2        1

 COOLING
  TODAY            3                         5     -2        9
  MONTH TO DATE  114                       100     14      103
  SINCE JUN 1    379                       335     44      232
  SINCE JAN 1    465                       386     79      273
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   N (340)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     5.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           3:00 AM
 LOWEST     51          12:00 PM
 AVERAGE    71

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


THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        92      1969
 MINIMUM TEMPERATURE (F)   59        44      1910


SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE   6:28 AM PDT   SUNSET   7:53 PM PDT
AUGUST 21 2026........SUNRISE   6:29 AM PDT   SUNSET   7:52 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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