TODAY MAR01
TEMPERATURE45
HUMIDITY15
PRESSURE
WIND COND.22 24.1
  • 6742Tue
  • 6341Wed30%
  • 6444Thu
  • 6844Fri
  • 6642Sat
daynightWeather update from ACTON at

Key findings

  • The highest monthly average temperature in Acton for July is 84 degrees
  • The lowest monthly average temperature in Acton for December is 44 degrees
  • The most monthly precipitation in Acton occurs in February with 1.2 inches
  • The air quality index in Acton is 45% worse than the national average
  • The pollution index in Acton is 2653% worse than the national average

Compare Acton, CA Weather

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      Acton 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
      January32°F60°F45°F1.1"
      February36°F64°F49°F1.2"
      March40°F70°F54°F0.7"
      April44°F76°F59°F0.3"
      May52°F84°F68°F0.1"
      June60°F94°F77°F0.0"
      July68°F99°F84°F0.2"
      August66°F98°F82°F0.0"
      September59°F93°F76°F0.2"
      October48°F81°F64°F0.5"
      November39°F70°F53°F0.4"
      December32°F59°F44°F1.0"

      Acton 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.
      IndexActonCaliforniaNational
      Air quality index725550
      Pollution index139,490,00018,106,7265,066,862

      Acton air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality66
      Days with moderate air quality208
      Days w/ poor A.Q. for sensitive groups62
      Days with unhealthy air quality28

      Acton air quality information

      PollutantTotal
      Arsenic0.200%
      Benzene0.950%
      Carbon Tetrachloride0.080%
      Lead1.320%
      Mercury0.440%

      Average monthly Acton temperature with heat index

      Acton monthly precipitation with daily maximum

      Acton monthly snow depth with daily maximum

      Acton monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Lancaster, CA159,6517244%
      Littlerock, CA1,7867244%
      Elizabeth Lake, CA1,7727244%
      Leona Valley, CA1,5827244%
      Sun Village, CA12,0447244%
      Acton, CA7,1707244%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Heber Springs, AR7,1694510%
      Woodlake, VA7,1724412%
      Fabens, TX7,168536%
      Demopolis, AL7,1673628%
      Glenolden, PA7,167512%
      Acton, CA7,1707244%
      Source: The Acton, 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.