Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 010042
CLICCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
542 PM PDT SUN AUG 31 2025
...................................
...THE CONCORD AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 100 3:12 PM 103 2017 87 13 86
MINIMUM 62 6:00 AM 53 1999 59 3 60
AVERAGE 81 73 8 73
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 16 8
MONTH TO DATE 311 301
SINCE JUN 1 640 965
SINCE JAN 1 751 1048
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 5.2
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 60 6:00 AM
LOWEST 10 3:00 PM
AVERAGE 35
..........................................................
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 111 2017
MINIMUM TEMPERATURE (F) 59 52 2008
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 6:38 AM PDT SUNSET 7:38 PM PDT
SEPTEMBER 1 2025.....SUNRISE 6:38 AM PDT SUNSET 7:37 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$