TODAY OCT20
TEMPERATURE53
HUMIDITY83
PRESSURE29.85
WIND COND.260 9.2
  • 4829Sat40%
  • 4838Sun
  • 5840Mon
  • 5236Tue
  • 5237Wed
daynightWeather update from Chicago, Chicago Midway Airport at
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Brookfield 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"

Did you know?

  • The highest monthly average temperature in Brookfield for July is 76 degrees.
  • The lowest monthly average temperature in Brookfield for January is 26 degrees.
  • The most monthly precipitation in Brookfield occurs in August with 5.1 inches.
  • The air quality index in Brookfield is 20% worse than the national average.
  • The pollution index in Brookfield is 195% worse than the national average.

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Brookfield 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.
IndexBrookfieldIllinoisNational
Air quality index604150
Pollution index14,981,3003,347,2955,066,862

Brookfield 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

Brookfield air quality information

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

Average monthly Brookfield temperature with heat index

Brookfield monthly precipitation with daily maximum

Brookfield monthly snow depth with daily maximum

Brookfield monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Addison, IL37,1926020%
Bensenville, IL18,4316020%
Blue Island, IL22,4466020%
Burbank, IL29,0876020%
Chicago, IL2,714,0176020%
Brookfield, IL18,9666020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Sherwood, OR18,9653824%
Ellensburg, WA18,9571864%
Hawthorne, NJ18,950536%
Howard, WI18,9504020%
Ansonia, CT18,950492%
Brookfield, IL18,9666020%
Source: The Brookfield, 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.