364
CDUS46 KMTR 280828
CLICCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT SUN SEP 28 2025
...............................
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 79 11:55 AM 100 2009 83 -4 96
2010
MINIMUM 59 4:43 AM 48 2013 56 3 56
AVERAGE 69 70 -1 76
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.03 0.00
SINCE OCT 1 4.33 12.46
SINCE JAN 1 2.07 9.33
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 0 1
SINCE SEP 1 0 1
SINCE JUL 1 0 4
COOLING
YESTERDAY 4 11
MONTH TO DATE 236 201
SINCE SEP 1 236 201
SINCE JAN 1 987 1249
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 4:00 AM
LOWEST 44 12:00 PM
AVERAGE 64
......................................................
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 103 2010
MINIMUM TEMPERATURE (F) 56 49 2013
SUNRISE AND SUNSET
SEPTEMBER 28 2025.....SUNRISE 7:02 AM PDT SUNSET 6:55 PM PDT
SEPTEMBER 29 2025.....SUNRISE 7:02 AM PDT SUNSET 6:54 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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