TODAY MAY29
TEMPERATURE72
HUMIDITY49
PRESSURE29.97
WIND COND.300 18.3
  • 7046Sat
  • 6950Sun
  • 7362Mon20%
  • 8768Tue
  • 8764Wed
daynightWeather update from Chicago / West Chicago, Dupage Airport at
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West Chicago 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°F33°F26°F3.6"
February18°F32°F24°F3.0"
March30°F49°F39°F3.1"
April39°F62°F49°F5.2"
May49°F72°F60°F3.7"
June60°F83°F72°F4.9"
July62°F84°F73°F7.8"
August64°F84°F74°F8.3"
September56°F80°F68°F2.9"
October47°F67°F56°F4.3"
November32°F50°F40°F3.1"
December18°F32°F25°F2.2"

Did you know?

  • The highest monthly average temperature in West Chicago for August is 74 degrees.
  • The lowest monthly average temperature in West Chicago for February is 24 degrees.
  • The most monthly precipitation in West Chicago occurs in August with 8.3 inches.
  • The air quality index in West Chicago is 21% worse than the national average.
  • The pollution index in West Chicago is 196% worse than the national average.

Compare West Chicago, IL Weather To Other Cities

      vs

      West Chicago 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.
      IndexWest ChicagoIllinoisNational
      Air quality index604150
      Pollution index14,981,3003,347,2955,066,862

      West Chicago air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality72
      Days with moderate air quality281
      Days w/ poor A.Q. for sensitive groups11
      Days with unhealthy air quality1

      West Chicago air quality information

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

      Average monthly West Chicago temperature with heat index

      West Chicago monthly precipitation with daily maximum

      West Chicago monthly snow depth with daily maximum

      West Chicago monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Sugar Grove, IL9,288198%
      Oswego, IL33,245198%
      Montgomery, IL19,055198%
      Prestbury, IL1,780198%
      Lily Lake, IL1,2533138%
      West Chicago, IL27,4206020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Cornelius, NC27,4264216%
      Lake Jackson, TX27,407524%
      Dix Hills, NY27,403476%
      Reisterstown, MD27,401468%
      Jeffersontown, KY27,3955510%
      West Chicago, IL27,4206020%
      Source: The West Chicago, 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.