TODAY FEB27
TEMPERATURE37
HUMIDITY76
PRESSURE29.85
WIND COND.190 11.2
  • 5138Sat
  • 5326Sun
  • 3821Mon
  • 4434Tue
  • 5134Wed
daynightWeather update from Chicago, Chicago Midway Airport at

Key findings

  • The highest monthly average temperature in Oak Park for July is 76 degrees
  • The lowest monthly average temperature in Oak Park for January is 26 degrees
  • The most monthly precipitation in Oak Park occurs in August with 5.1 inches
  • The air quality index in Oak Park is 11% worse than the national average
  • The pollution index in Oak Park is 6% better than the national average

Compare Oak Park, IL Weather

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      Oak Park 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 Park 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 ParkIllinoisNational
      Air quality index554150
      Pollution index4,766,0003,347,2955,066,862

      Oak Park 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

      Oak Park air quality information

      PollutantTotal
      Arsenic0.060%
      Benzene0.050%
      Carbon Tetrachloride0.000%
      Lead0.020%
      Mercury0.090%

      Average monthly Oak Park temperature with heat index

      Oak Park monthly precipitation with daily maximum

      Oak Park monthly snow depth with daily maximum

      Oak Park monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Countryside, IL5,9655510%
      La Grange Park, IL13,5965510%
      Glendale Heights, IL34,3955510%
      North Riverside, IL6,9835510%
      River Forest, IL11,2175510%
      Oak Park, IL51,9895510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Harrisonburg, VA51,9793628%
      Milford city, CT52,0054314%
      Aspen Hill, MD52,028476%
      Albany, OR51,9192844%
      Palm Beach Gardens, FL51,8653628%
      Oak Park, IL51,9895510%
      Source: The Oak Park, 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.