026
CDUS46 KMTR 130825
CLICCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1225 AM PST SAT DEC 13 2025
...............................
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 2025
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)
YESTERDAY
MAXIMUM 46 2:22 PM 66 2017 58 -12 59
2018
MINIMUM 40 11:57 PM 28 2013 41 -1 48
AVERAGE 43 50 -7 54
PRECIPITATION (IN)
YESTERDAY 0.00 0.16
MONTH TO DATE T 0.16
SINCE OCT 1 1.72 0.94
SINCE JAN 1 3.79 10.27
DEGREE DAYS
HEATING
YESTERDAY 22 11
MONTH TO DATE 226 146
SINCE DEC 1 226 146
SINCE JUL 1 523 485
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 1035 1454
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NE (40)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 82 1:00 PM
AVERAGE 91
......................................................
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 65 2023
MINIMUM TEMPERATURE (F) 41 30 2013
SUNRISE AND SUNSET
DECEMBER 13 2025......SUNRISE 7:16 AM PST SUNSET 4:49 PM PST
DECEMBER 14 2025......SUNRISE 7:16 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page