TODAY OCT12
TEMPERATURE64
HUMIDITY63
PRESSURE101760
WIND COND.60 24.1
  • 6646Sun20%
  • 584020%40%
  • 5438Tue50%
  • 5941Wed
  • 6848Thu
daynightWeather update from Chicago, Chicago Midway Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Oak Lawn for July is 76.3 degrees
  • The lowest monthly average temperature in Oak Lawn for January is 26.2 degrees
  • The most monthly precipitation in Oak Lawn occurs in August with 5.1 inches
  • The air quality index in Oak Lawn is 31% worse than the national average
  • The pollution index in Oak Lawn is 2843% worse than the national average

Compare Oak Lawn, IL Weather

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      Oak Lawn 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"

      Oak Lawn 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.
      IndexOak LawnIllinoisNational
      Air quality index554142
      Pollution index80,238,7043,148,6942,726,193

      Oak Lawn air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.760%
      Benzene0.560%
      Carbon Tetrachloride0.280%
      Lead0.480%
      Mercury0.480%

      Average monthly Oak Lawn temperature with heat index

      Oak Lawn monthly precipitation with daily maximum

      Oak Lawn monthly snow depth with daily maximum

      Oak Lawn monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ford Heights, IL2,7055510.0%
      Thornton, IL2,3085510.0%
      Frankfort Square, IL8,8315510.0%
      Tinley Park, IL56,0825510.0%
      Crestwood, IL10,7625510.0%
      Oak Lawn, IL55,4325510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Blue Springs, MO55,415476.0%
      Parker, CO55,4605816.0%
      Lake Havasu City, AZ55,4631374.0%
      Hacienda Heights, CA55,3867244.0%
      Belleville, ON55,515n/a 
      Oak Lawn, IL55,4325510.0%
      Source: The Oak Lawn, 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.