Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 300844
CLICCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
144 AM PDT TUE SEP 30 2025
...................................
...THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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 75 3:01 PM 100 2010 83 -8 83
MINIMUM 63 3:45 AM 45 2007 56 7 55
AVERAGE 69 69 0 69
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 4
MONTH TO DATE 243 213
SINCE SEP 1 243 213
SINCE JAN 1 994 1261
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 7.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 3:00 AM
LOWEST 50 3:00 PM
AVERAGE 69
..........................................................
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 97 2012
MINIMUM TEMPERATURE (F) 56 46 2007
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 7:03 AM PDT SUNSET 6:52 PM PDT
OCTOBER 1 2025.......SUNRISE 7:04 AM PDT SUNSET 6:51 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$