Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 190035
CLICCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
535 PM PDT MON AUG 18 2025
...................................
...THE CONCORD AIRPORT CLIMATE SUMMARY FOR AUGUST 18 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 84 3:02 PM 106 2020 88 -4 83
MINIMUM 58 5:20 AM 54 2002 60 -2 60
AVERAGE 71 74 -3 72
PRECIPITATION (IN)
TODAY 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
TODAY 0 0
MONTH TO DATE 0 0
SINCE JUN 1 1 3
SINCE JUL 1 0 3
COOLING
TODAY 6 7
MONTH TO DATE 163 193
SINCE JUN 1 492 857
SINCE JAN 1 603 940
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 10.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 5:00 AM
LOWEST 25 3:00 PM
AVERAGE 53
..........................................................
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 104 2020
MINIMUM TEMPERATURE (F) 60 54 2006
2010
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.
$$