TODAY MAY12
TEMPERATURE41
HUMIDITY62
PRESSURE30.45
WIND COND.350 5.4
  • 6243
  • 6745Thu
  • 6949Fri
  • 6752Sat
  • 7156Sun
daynightWeather update from Chicago, Chicago Midway Airport at

Key findings

  • The highest monthly average temperature in La Grange for July is 76.3 degrees
  • The lowest monthly average temperature in La Grange for January is 26.2 degrees
  • The most monthly precipitation in La Grange occurs in August with 5.1 inches
  • The air quality index in La Grange is 11% worse than the national average
  • The pollution index in La Grange is 196% worse than the national average

Compare La Grange, IL Weather

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      La Grange 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°F34°F26°F1.9"
      February21°F36°F28°F1.6"
      March33°F49°F40°F2.4"
      April42°F62°F51°F3.6"
      May52°F73°F61°F4.3"
      June63°F82°F72°F4.6"
      July68°F86°F76°F3.5"
      August67°F83°F75°F5.1"
      September60°F77°F68°F2.8"
      October48°F65°F55°F3.9"
      November36°F51°F43°F2.2"
      December25°F37°F31°F2.2"

      La Grange 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.
      IndexLa GrangeIllinoisNational
      Air quality index554150
      Pollution index14,981,3003,347,2955,066,862

      La Grange air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality121
      Days with moderate air quality227
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality1

      La Grange air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.140%
      Carbon Tetrachloride0.030%
      Lead0.020%
      Mercury0.010%

      Average monthly La Grange temperature with heat index

      La Grange monthly precipitation with daily maximum

      La Grange monthly snow depth with daily maximum

      La Grange monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Broadview, IL7,9155510%
      Elmwood Park, IL24,8455510%
      Stickney, IL6,7785510%
      Crestwood, IL10,9895510%
      Hickory Hills, IL13,8585510%
      La Grange, IL15,6885510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Elkton, MD15,6874216%
      Mineral Wells, TX15,6913334%
      Conyers, GA15,682524%
      New Haven, IN15,6774510%
      Seagoville, TX15,701512%
      La Grange, IL15,6885510%
      Source: The La Grange, 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.