TODAY NOV21
TEMPERATURE36
HUMIDITY85
PRESSURE100270
WIND COND.290 25.9
  • 4535Fri
  • 4535Sat
  • 5146Sun
  • 5027Mon
  • 3728Tue
daynightWeather update from Chicago, Chicago Midway Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Willowbrook CDP for July is 76.3 degrees
  • The lowest monthly average temperature in Willowbrook CDP for January is 26.2 degrees
  • The most monthly precipitation in Willowbrook CDP occurs in August with 5.1 inches
  • The air quality index in Willowbrook CDP is 31% worse than the national average
  • The pollution index in Willowbrook CDP is 450% worse than the national average

Compare Willowbrook CDP, IL Weather

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      Willowbrook CDP 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"

      Willowbrook CDP 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.
      IndexWillowbrook CDPIllinoisNational
      Air quality index554142
      Pollution index14,981,3003,148,6942,726,193

      Willowbrook CDP 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%
      Benzene0.140%
      Carbon Tetrachloride0.030%
      Lead0.020%
      Mercury0.010%

      Average monthly Willowbrook CDP temperature with heat index

      Willowbrook CDP monthly precipitation with daily maximum

      Willowbrook CDP monthly snow depth with daily maximum

      Willowbrook CDP monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Broadview, IL7,6775510.0%
      Forest Park, IL13,8085510.0%
      Country Club Hills, IL16,5645510.0%
      Blue Island, IL23,1605510.0%
      Dixmoor, IL3,5705510.0%
      Willowbrook CDP, IL1,9665510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Garyville, LA1,9663040.0%
      Stewart Manor, NY1,966512.0%
      Laton, CA1,9675612.0%
      Prophetstown, IL1,9654216.0%
      Fishkill, NY1,9673628.0%
      Willowbrook CDP, IL1,9665510.0%
      Source: The Willowbrook CDP, 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.