Chicago Heights, IL Weather - Forecast & Monthly Averages

TEMPERATURE
HUMIDITY	65
PRESSURE	102680
WIND COND.	180 18.4

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Weather Quick Facts

The highest monthly average temperature in Chicago Heights for July is 74 degrees
The lowest monthly average temperature in Chicago Heights for January is 25.6 degrees
The most monthly precipitation in Chicago Heights occurs in July with 8 inches
The air quality index in Chicago Heights is 31% worse than the national average
The pollution index in Chicago Heights is 43% better than the national average

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Chicago Heights 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	18°F	34°F	26°F	4.5"
February	19°F	35°F	27°F	3.6"
March	31°F	49°F	39°F	4.4"
April	40°F	62°F	50°F	5.4"
May	50°F	72°F	60°F	6.5"
June	60°F	81°F	70°F	5.8"
July	64°F	84°F	74°F	8.0"
August	63°F	82°F	72°F	7.5"
September	56°F	76°F	65°F	5.4"
October	45°F	64°F	54°F	6.2"
November	33°F	51°F	42°F	5.4"
December	24°F	38°F	31°F	3.8"

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Chicago Heights 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	Chicago Heights	Illinois	National
Air quality index	55	41	42
Pollution index	1,558,070	3,148,694	2,726,193

Chicago Heights 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	0.010%
Carbon Tetrachloride	0.070%
Lead	0.090%
Mercury	0.010%

Average monthly Chicago Heights temperature with heat index

Chicago Heights monthly precipitation with daily maximum

Chicago Heights monthly snow depth with daily maximum

Chicago Heights monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Crown Point, IN	30,372	37	26.0%
Lake Dalecarlia, IN	1,779	37	26.0%
Lynwood, IL	9,210	55	10.0%
Thornton, IL	2,308	55	10.0%
Frankfort, IL	19,166	55	10.0%
Chicago Heights, IL	29,598	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Highland Park, IL	29,596	55	10.0%
Carney, MD	29,624	46	8.0%
San Carlos, CA	29,647	43	14.0%
Duluth, GA	29,538	52	4.0%
Middle River, MD	29,665	46	8.0%
Chicago Heights, IL	29,598	55	10.0%

Source: The Chicago Heights, 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.