TODAY SEP19
TEMPERATURE66
HUMIDITY96
PRESSURE29.99
WIND COND.30 5.8
  • 8470Wed30%40%
  • 9272Thu30%
  • 7953Fri20%
  • 6949Sat
  • 7553Sun
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 97% better than the national average.
  • The pollution index in Wilmington is 65% better than the national average.

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Compare Wilmington, IL Weather To Other Cities

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.