TODAY DEC28
TEMPERATURE51
HUMIDITY86
PRESSURE100810
WIND COND.240 25.9
  • 5241Sat40%
  • 4334Sun70%20%
  • 4538Mon30%
  • 4228Tue
  • 3221
daynightWeather update from Chicago, Chicago Midway Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Merrionette Park for July is 76.3 degrees
  • The lowest monthly average temperature in Merrionette Park for January is 26.2 degrees
  • The most monthly precipitation in Merrionette Park occurs in August with 5.1 inches
  • The air quality index in Merrionette Park is 31% worse than the national average
  • The pollution index in Merrionette Park is 43% better than the national average

Compare Merrionette Park, IL Weather

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      Merrionette 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"

      Merrionette 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.
      IndexMerrionette ParkIllinoisNational
      Air quality index554142
      Pollution index1,558,0703,148,6942,726,193

      Merrionette Park 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
      Arsenic0.010%
      Benzene0.010%
      Carbon Tetrachloride0.070%
      Lead0.090%
      Mercury0.010%

      Average monthly Merrionette Park temperature with heat index

      Merrionette Park monthly precipitation with daily maximum

      Merrionette Park monthly snow depth with daily maximum

      Merrionette Park monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Frankfort, IL19,1665510.0%
      Matteson, IL19,3745510.0%
      Bridgeview, IL15,5765510.0%
      Dolton, IL22,4875510.0%
      Markham, IL12,4015510.0%
      Merrionette Park, IL1,9735510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Jerome, IL1,9734020.0%
      Pierce, NE1,9733530.0%
      Hopwood, PA1,9733628.0%
      Ingram, TX1,973492.0%
      Catlin, IL1,9724216.0%
      Merrionette Park, IL1,9735510.0%
      Source: The Merrionette 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.