878
CDUS46 KMTR 160038
CLICCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
438 PM PST MON DEC 15 2025
...............................
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 2025
VALID TODAY AS OF 0400 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 48 2:03 PM 64 2016 58 -10 51
MINIMUM 39 5:33 AM 29 2013 41 -2 38
AVERAGE 44 49 -5 45
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE T 0.95
SINCE OCT 1 1.72 1.73
SINCE JAN 1 3.79 11.06
DEGREE DAYS
HEATING
TODAY 21 20
MONTH TO DATE 293 188
SINCE DEC 1 293 188
SINCE JUL 1 590 527
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 1035 1454
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 4.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 80 2:00 PM
AVERAGE 90
......................................................
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 67 2017
MINIMUM TEMPERATURE (F) 41 31 1999
2022
SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE 7:17 AM PST SUNSET 4:50 PM PST
DECEMBER 16 2025......SUNRISE 7:18 AM PST SUNSET 4:50 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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