TODAY MAY27
TEMPERATURE81
HUMIDITY58
PRESSURE29.91
WIND COND.180 9.2
  • 8466Wed40%50%
  • 7861Thu60%90%
  • 7353Fri50%
  • 6949Sat
  • 6951Sun
daynightWeather update from Chicago / West Chicago, Dupage Airport at
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Winfield 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 Winfield for August is 74 degrees.
  • The lowest monthly average temperature in Winfield for February is 24 degrees.
  • The most monthly precipitation in Winfield occurs in August with 8.3 inches.
  • The air quality index in Winfield is 21% worse than the national average.
  • The pollution index in Winfield is 196% worse than the national average.

Compare Winfield, IL Weather To Other Cities

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      Winfield 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.
      IndexWinfieldIllinoisNational
      Air quality index604150
      Pollution index14,981,3003,347,2955,066,862

      Winfield 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

      Winfield air quality information

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

      Average monthly Winfield temperature with heat index

      Winfield monthly precipitation with daily maximum

      Winfield monthly snow depth with daily maximum

      Winfield monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Oswego, IL33,245198%
      Montgomery, IL19,055198%
      Prestbury, IL1,780198%
      Pingree Grove, IL5,9833138%
      Addison, IL37,1926020%
      Winfield, IL9,5436020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Hampton, NH9,5423628%
      Bethel, CT9,541476%
      Winslow, AZ9,5394216%
      North Gates, NY9,5373628%
      Brentwood, PA9,5505612%
      Winfield, IL9,5436020%
      Source: The Winfield, 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.