TODAY NOV21
TEMPERATURE77
HUMIDITY22
PRESSURE101860
WIND COND.245
  • 7049Fri
  • 6554Sat30%60%
  • 6651Sun30%
  • 6451Mon
  • 6651Tue
daynightWeather update from FW0058 Santa Ana Fire at
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Weather Quick Facts

  • The highest monthly average temperature in Concord for August is 72.2 degrees
  • The lowest monthly average temperature in Concord for December is 57 degrees
  • The most monthly precipitation in Concord occurs in December with 2.4 inches
  • The air quality index in Concord is 111% worse than the national average
  • The pollution index in Concord is 69% better than the national average

Compare Santa Ana, CA Weather

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      Concord Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January48°F69°F57°F2.3"
      February49°F69°F58°F1.9"
      March52°F70°F60°F0.9"
      April54°F72°F62°F0.6"
      May59°F73°F65°F0.3"
      June62°F76°F67°F0.0"
      July66°F80°F71°F0.1"
      August66°F82°F72°F0.0"
      September65°F82°F72°F0.2"
      October60°F79°F68°F0.5"
      November54°F75°F63°F0.7"
      December48°F68°F57°F2.4"

      Concord air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexConcordSanta AnaCalifornia
      Air quality index898955
      Pollution index858,652858,65210,473,190

      Concord air quality

      MeasurementTotal
      Days measured365
      Days with good air quality42
      Days with moderate air quality178
      Days w/ poor A.Q. for sensitive groups79
      Days with unhealthy air quality58

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.020%
      Mercury0.001%

      Average monthly Concord temperature with heat index

      Concord monthly precipitation with daily maximum

      Concord monthly snow depth with daily maximum

      Concord monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Seal Beach, CA24,2687244.0%
      West Whittier-Los Nietos, CA26,1217244.0%
      Huntington Beach, CA199,7787244.0%
      Midway City, CA8,6817244.0%
      Downey, CA111,2637244.0%
      Santa Ana, CA332,6108978.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Riverside, CA327,5698978.0%
      Corpus Christi, TX326,3324216.0%
      Lexington-Fayette, KY322,2004216.0%
      Vaughan, ON321,974n/a 
      Honolulu, HI347,1813040.0%
      Santa Ana, CA332,6108978.0%
      Source: The Concord, Santa Ana, CA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.