Brookfield, IL Weather - Forecast & Monthly Averages

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TEMPERATURE	74
HUMIDITY	87
PRESSURE	100950
WIND COND.	100 11.2

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Weather Quick Facts

The highest monthly average temperature in Brookfield for July is 76.3 degrees
The lowest monthly average temperature in Brookfield for January is 26.2 degrees
The most monthly precipitation in Brookfield occurs in August with 5.1 inches
The air quality index in Brookfield is 31% worse than the national average
The pollution index in Brookfield is 450% worse than the national average

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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.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	20°F	34°F	26°F	1.9"
February	21°F	36°F	28°F	1.6"
March	33°F	49°F	40°F	2.4"
April	42°F	62°F	51°F	3.6"
May	52°F	73°F	61°F	4.3"
June	63°F	82°F	72°F	4.6"
July	68°F	86°F	76°F	3.5"
August	67°F	83°F	75°F	5.1"
September	60°F	77°F	68°F	2.8"
October	48°F	65°F	55°F	3.9"
November	36°F	51°F	43°F	2.2"
December	25°F	37°F	31°F	2.2"

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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.
Index	Brookfield	Illinois	National
Air quality index	55	41	42
Pollution index	14,981,300	3,148,694	2,726,193

Brookfield air quality

Measurement	Total
Days measured	365
Days with good air quality	121
Days with moderate air quality	227
Days w/ poor A.Q. for sensitive groups	16
Days with unhealthy air quality	1

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.140%
Carbon Tetrachloride	0.030%
Lead	0.020%
Mercury	0.010%

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	Population	Air Quality Index	National Avg.
Berwyn, IL	54,850	55	10.0%
Elmwood Park, IL	24,274	55	10.0%
Stickney, IL	6,607	55	10.0%
Crestwood, IL	10,762	55	10.0%
Hometown, IL	4,216	55	10.0%
Brookfield, IL	18,520	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Winchester, KY	18,520	42	16.0%
Concord, MO	18,521	54	8.0%
Russell, ON	18,518	n/a
Lake Shore, MD	18,523	46	8.0%
Merrifield, VA	18,523	47	6.0%
Brookfield, IL	18,520	55	10.0%

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.