Climatological Report (Daily)
Issued by NWS

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585
CDUS46 KMTR 310035
CLICCR

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
535 PM PDT SAT AUG 30 2025

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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR AUGUST 30 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1999 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         99   3:59 PM 102    2007  88     11       86
  MINIMUM         60   6:21 AM  55    2006  59      1       58
                                      2010
                                      2012
  AVERAGE         80                        73      7       72

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    0.00                                       T
  SINCE OCT 1      4.30                                     12.46
  SINCE JAN 1      2.04                                      9.33

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE JUN 1      1                                         3
  SINCE JUL 1      0                                         3

 COOLING
  TODAY           15                                         7
  MONTH TO DATE  295                                       293
  SINCE JUN 1    624                                       957
  SINCE JAN 1    735                                      1040
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  NW (320)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     4.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           6:00 AM
 LOWEST     14           1:00 PM
 AVERAGE    49

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


THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87       103      2017
 MINIMUM TEMPERATURE (F)   59        53      1999


SUNRISE AND SUNSET
AUGUST 30 2025........SUNRISE   6:37 AM PDT   SUNSET   7:40 PM PDT
AUGUST 31 2025........SUNRISE   6:38 AM PDT   SUNSET   7:38 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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