Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 180833
CLICCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT MON AUG 18 2025
...................................
...THE CONCORD AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 77 3:48 PM 102 2015 88 -11 80
MINIMUM 60 5:49 AM 53 2006 60 0 62
AVERAGE 69 74 -5 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 T
SINCE OCT 1 4.30 12.46
SINCE JAN 1 2.04 9.33
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE JUN 1 1 3
SINCE JUL 1 0 3
COOLING
YESTERDAY 4 6
MONTH TO DATE 157 186
SINCE JUN 1 486 850
SINCE JAN 1 597 933
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 14.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 3:00 AM
LOWEST 46 3:00 PM
AVERAGE 64
..........................................................
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 106 2020
MINIMUM TEMPERATURE (F) 60 54 2002
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 6:26 AM PDT SUNSET 7:57 PM PDT
AUGUST 19 2025........SUNRISE 6:27 AM PDT SUNSET 7:55 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$