TODAY FEB28
TEMPERATURE49
HUMIDITY92
PRESSURE29.77
WIND COND.190 9.4
  • 5825Sun30%
  • 4623Mon
  • 4630Tue
  • 5633Wed
  • 5734Thu
daynightWeather update from Logan County Airport at

Key findings

  • The highest monthly average temperature in Waynesville for July is 76 degrees
  • The lowest monthly average temperature in Waynesville for January is 28 degrees
  • The most monthly precipitation in Waynesville occurs in September with 11.5 inches
  • The air quality index in Waynesville is 12% better than the national average
  • The pollution index in Waynesville is 88% better than the national average

Compare Waynesville, IL Weather

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      Waynesville 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
      January20°F37°F28°F2.6"
      February21°F39°F29°F3.2"
      March34°F55°F43°F4.1"
      April44°F67°F55°F6.7"
      May54°F76°F65°F4.6"
      June63°F85°F74°F8.5"
      July66°F87°F76°F11.2"
      August64°F86°F74°F8.1"
      September56°F80°F67°F11.5"
      October46°F68°F56°F6.3"
      November34°F54°F43°F5.1"
      December25°F40°F32°F5.3"

      Waynesville 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.
      IndexWaynesvilleIllinoisNational
      Air quality index444150
      Pollution index607,2623,347,2955,066,862

      Waynesville air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality256
      Days with moderate air quality108
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Waynesville air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.030%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Waynesville temperature with heat index

      Waynesville monthly precipitation with daily maximum

      Waynesville monthly snow depth with daily maximum

      Waynesville monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Lincoln, IL14,2534020%
      Armington, IL3634412%
      McLean, IL7794412%
      Stanford, IL7014412%
      Chestnut, IL1344412%
      Waynesville, IL4634412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Launiupoko, HI4631570%
      Dyess, AR4634510%
      Robards, KY4634510%
      Ramona, OK4634510%
      Brooker, FL4633530%
      Waynesville, IL4634412%
      Source: The Waynesville, 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.