TODAY NOV07
TEMPERATURE52
HUMIDITY86
PRESSURE102680
WIND COND.30 14.8
  • 6037Fri
  • 6049Sat90%
  • 6242Sun
  • 6039
  • 6249Tue
daynightWeather update from Mattoon / Charleston, Coles County Memorial Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Arthur for August is 77.3 degrees
  • The lowest monthly average temperature in Arthur for February is 29.1 degrees
  • The most monthly precipitation in Arthur occurs in October with 8.2 inches
  • The air quality index in Arthur is 5% worse than the national average
  • The pollution index in Arthur is 74% better than the national average

Compare Arthur, IL Weather

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      Arthur 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
      January25°F39°F31°F6.1"
      February23°F37°F29°F2.4"
      March37°F55°F45°F4.1"
      April44°F65°F53°F3.9"
      May55°F77°F65°F2.6"
      June64°F85°F75°F4.7"
      July65°F86°F75°F8.2"
      August68°F88°F77°F7.2"
      September59°F83°F71°F8.1"
      October49°F69°F58°F8.2"
      November36°F54°F44°F3.6"
      December25°F38°F31°F2.6"

      Arthur 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.
      IndexArthurIllinoisNational
      Air quality index444142
      Pollution index703,2183,148,6942,726,193

      Arthur air quality

      MeasurementTotal
      Days measured365
      Days with good air quality255
      Days with moderate air quality110
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Arthur temperature with heat index

      Arthur monthly precipitation with daily maximum

      Arthur monthly snow depth with daily maximum

      Arthur monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Pesotum, IL4474216.0%
      Arcola, IL2,8404216.0%
      Atwood, IL1,1264216.0%
      Tuscola, IL4,5994216.0%
      Humboldt, IL4464216.0%
      Arthur, IL2,1804412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lusby, MD2,1804118.0%
      Tracy, MN2,1803236.0%
      Armada, MI2,1795612.0%
      Langley, SC2,179476.0%
      Fifth Street, TX2,179524.0%
      Arthur, IL2,1804412.0%
      Source: The Arthur, IL 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.