TODAY MAR29
TEMPERATURE65
HUMIDITY38
PRESSURE101900
WIND COND.200 9.4
  • 7553Fri
  • 7760Sat
  • 7864Sun
  • 7852Mon30%60%
  • 6542Tue40%
daynightWeather update from Fort Smith Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Charleston for July is 83 degrees
  • The lowest monthly average temperature in Charleston for January is 40.5 degrees
  • The most monthly precipitation in Charleston occurs in May with 7.2 inches
  • The air quality index in Charleston is 14% better than the national average
  • The pollution index in Charleston is 81% better than the national average

Compare Charleston, AR Weather

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      Charleston 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
      January29°F55°F41°F3.1"
      February32°F59°F44°F2.4"
      March41°F69°F54°F4.4"
      April50°F78°F63°F5.5"
      May58°F83°F70°F7.2"
      June69°F92°F80°F4.0"
      July72°F96°F83°F4.0"
      August71°F95°F82°F4.2"
      September63°F89°F75°F4.8"
      October51°F79°F63°F5.2"
      November40°F68°F53°F3.3"
      December31°F56°F42°F3.5"

      Charleston 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.
      IndexCharlestonArkansasNational
      Air quality index363842
      Pollution index506,3081,487,8222,726,193

      Charleston air quality information

      MeasurementTotal
      Days measured361
      Days with good air quality323
      Days with moderate air quality38
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Charleston air quality information

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

      Average monthly Charleston temperature with heat index

      Charleston monthly precipitation with daily maximum

      Charleston monthly snow depth with daily maximum

      Charleston monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Magazine, AR9493628.0%
      Dyer, AR8633628.0%
      Mulberry, AR1,5863628.0%
      Ratcliff, AR2023628.0%
      Alma, AR5,8163628.0%
      Charleston, AR2,4833628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Owings, MD2,483476.0%
      Halesite, NY2,4834314.0%
      Muse, PA2,4835612.0%
      Crab Orchard, WV2,483295490.0%
      Sacaton, AZ2,4847448.0%
      Charleston, AR2,4833628.0%
      Source: The Charleston, AR 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.