TODAY JUN06
TEMPERATURE79
HUMIDITY41
PRESSURE30.05
WIND COND.100 11.4
  • 8463Sun
  • 9169Mon
  • 8967Tue20%
  • 7859Wed
  • 7656Thu
daynightWeather update from Joliet Regional Airport at
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Wilmington 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
January18°F34°F25°F2.5"
February19°F36°F27°F2.8"
March31°F50°F39°F4.5"
April41°F63°F51°F4.9"
May50°F73°F61°F4.7"
June60°F83°F71°F5.4"
July64°F85°F74°F5.7"
August62°F83°F72°F6.8"
September55°F77°F65°F5.4"
October44°F64°F53°F5.7"
November33°F51°F41°F4.9"
December23°F37°F30°F3.7"

Did you know?

  • The highest monthly average temperature in Wilmington for July is 74 degrees.
  • The lowest monthly average temperature in Wilmington for January is 25 degrees.
  • The most monthly precipitation in Wilmington occurs in August with 6.8 inches.
  • The air quality index in Wilmington is 98% better than the national average.
  • The pollution index in Wilmington is 66% better than the national average.

Compare Wilmington, IL Weather To Other Cities

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      Wilmington 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.
      IndexWilmingtonIllinoisNational
      Air quality index14150
      Pollution index1,736,9303,347,2955,066,862

      Wilmington air quality information

      MeasurementTotal
      Days measured351
      Days with good air quality351
      Days with moderate air quality
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Wilmington air quality information

      PollutantTotal
      Arsenic0.004%
      Benzene0.040%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.001%

      Average monthly Wilmington temperature with heat index

      Wilmington monthly precipitation with daily maximum

      Wilmington monthly snow depth with daily maximum

      Wilmington monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Channahon, IL12,329198%
      Elwood, IL2,144198%
      Morris, IL13,930198%
      Union Hill, IL32198%
      Braceville, IL735198%
      Wilmington, IL6,010198%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Paulsboro, NJ6,0095714%
      Independence, IA6,0054314%
      Port Clinton, OH6,0043628%
      Cresaptown, MD6,0023236%
      Jamesburg, NJ6,0014020%
      Wilmington, IL6,010198%
      Source: The Wilmington, 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.