TODAY FEB27
TEMPERATURE56
HUMIDITY48
PRESSURE30.04
WIND COND.150 14.8
  • 5526Sun20%
  • 4522Mon
  • 4531Tue
  • 5534Wed
  • 5736Thu
daynightWeather update from Logan County Airport at

Key findings

  • The highest monthly average temperature in Chestnut for July is 76 degrees
  • The lowest monthly average temperature in Chestnut for January is 28 degrees
  • The most monthly precipitation in Chestnut occurs in September with 11.5 inches
  • The air quality index in Chestnut is 12% better than the national average
  • The pollution index in Chestnut is 75% better than the national average

Compare Chestnut, IL Weather

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      Chestnut 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"

      Chestnut 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.
      IndexChestnutIllinoisNational
      Air quality index444150
      Pollution index1,277,8903,347,2955,066,862

      Chestnut air quality information

      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

      Chestnut air quality information

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

      Average monthly Chestnut temperature with heat index

      Chestnut monthly precipitation with daily maximum

      Chestnut monthly snow depth with daily maximum

      Chestnut monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Lincoln, IL14,2534020%
      Buffalo, IL5034020%
      Dawson, IL5444020%
      Broadwell, IL1524020%
      Cornland, IL704020%
      Chestnut, IL1344412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Woodward, PA1344412%
      Mockingbird Valley, KY134492%
      Marietta, NC1343040%
      Hyampom, CA1342746%
      Round Mountain, CA1344216%
      Chestnut, IL1344412%
      Source: The Chestnut, 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.