TODAY NOV09
TEMPERATURE45
HUMIDITY91
PRESSURE102410
WIND COND.70 7.6
  • 5850Sat90%
  • 6239Sun
  • 6038
  • 5842Tue
  • 6140Wed50%
daynightWeather update from Logan County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Atlanta for July is 75.7 degrees
  • The lowest monthly average temperature in Atlanta for January is 27.8 degrees
  • The most monthly precipitation in Atlanta occurs in September with 11.5 inches
  • The air quality index in Atlanta is 5% worse than the national average
  • The pollution index in Atlanta is 53% better than the national average

Compare Atlanta, IL Weather

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      Atlanta 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"

      Atlanta 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.
      IndexAtlantaIllinoisNational
      Air quality index444142
      Pollution index1,277,8903,148,6942,726,193

      Atlanta air quality

      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

      Air quality details

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

      Average monthly Atlanta temperature with heat index

      Atlanta monthly precipitation with daily maximum

      Atlanta monthly snow depth with daily maximum

      Atlanta monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Broadwell, IL1884020.0%
      Lincoln, IL13,7424020.0%
      Heyworth, IL3,2124412.0%
      Bloomington, IL77,7254412.0%
      Stanford, IL6954412.0%
      Atlanta, IL2,1564412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Maricopa, CA2,1576734.0%
      Cudjoe Key, FL2,1573432.0%
      Carterville, MO2,1573726.0%
      Leechburg, PA2,1543824.0%
      Colquitt, GA2,1583530.0%
      Atlanta, IL2,1564412.0%
      Source: The Atlanta, 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.