837
CDUS46 KMTR 280843
CLICCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1243 AM PST SUN DEC 28 2025
...............................
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 27 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 61 MM 64 2017 57 4 64
2024
MINIMUM 41 MM 28 2015 40 1 55
AVERAGE 51 49 2 60
PRECIPITATION (IN)
YESTERDAY 0.00 MM
MONTH TO DATE 1.42 1.48
SINCE OCT 1 3.14 2.26
SINCE JAN 1 5.21 11.59
DEGREE DAYS
HEATING
YESTERDAY 14 5
MONTH TO DATE 389 354
SINCE DEC 1 389 354
SINCE JUL 1 686 693
COOLING
YESTERDAY 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 E (70)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 7:00 AM
LOWEST 83 1:00 PM
AVERAGE 92
......................................................
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 67 1999
2013
MINIMUM TEMPERATURE (F) 40 31 2003
2013
2016
SUNRISE AND SUNSET
DECEMBER 28 2025......SUNRISE 7:23 AM PST SUNSET 4:57 PM PST
DECEMBER 29 2025......SUNRISE 7:24 AM PST SUNSET 4:57 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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