TODAY MAY28
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7351Fri20%
  • 7252Sat
  • 7354Sun
  • 7562Mon
  • 8669Tue
daynightWeather update from Logan County Airport at
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Middletown 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"

Did you know?

  • The highest monthly average temperature in Middletown for July is 76 degrees.
  • The lowest monthly average temperature in Middletown for January is 28 degrees.
  • The most monthly precipitation in Middletown occurs in September with 11.5 inches.
  • The air quality index in Middletown is 30% better than the national average.
  • The pollution index in Middletown is 75% better than the national average.

Compare Middletown, IL Weather To Other Cities

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      Middletown 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.
      IndexMiddletownIllinoisNational
      Air quality index354150
      Pollution index1,277,8903,347,2955,066,862

      Middletown air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality316
      Days with moderate air quality49
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Middletown air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.050%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.002%

      Average monthly Middletown temperature with heat index

      Middletown monthly precipitation with daily maximum

      Middletown monthly snow depth with daily maximum

      Middletown monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Broadwell, IL1523530%
      Elkhart, IL4073530%
      Lake Petersburg, IL6493530%
      Petersburg, IL2,3333530%
      Cantrall, IL1213530%
      Middletown, IL3233530%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Sawyer, ND3233432%
      Bobtown, VA3233922%
      Neche, ND3233530%
      Holiday Lake, IA3234216%
      Nickerson, NE323484%
      Middletown, IL3233530%
      Source: The Middletown, 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.