Grant Park, IL Weather - Forecast & Monthly Averages

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TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Grant Park for July is 74.5 degrees
The lowest monthly average temperature in Grant Park for January is 25.5 degrees
The most monthly precipitation in Grant Park occurs in August with 9.8 inches
The air quality index in Grant Park is 31% worse than the national average
The pollution index in Grant Park is 45% worse than the national average

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Grant Park 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	25°F	3.2"
February	19°F	36°F	27°F	2.6"
March	32°F	51°F	40°F	3.2"
April	41°F	64°F	51°F	5.2"
May	51°F	74°F	62°F	5.3"
June	61°F	83°F	71°F	9.7"
July	64°F	86°F	74°F	5.3"
August	62°F	84°F	73°F	9.8"
September	55°F	79°F	66°F	6.1"
October	44°F	65°F	54°F	7.0"
November	34°F	52°F	42°F	3.8"
December	24°F	38°F	31°F	3.7"

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Grant Park 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	Grant Park	Illinois	National
Air quality index	55	41	42
Pollution index	3,962,360	3,148,694	2,726,193

Grant Park 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	0.002%
Benzene	0.070%
Carbon Tetrachloride	0.020%
Lead	0.300%
Mercury	0.110%

Average monthly Grant Park temperature with heat index

Grant Park monthly precipitation with daily maximum

Grant Park monthly snow depth with daily maximum

Grant Park monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Sammons Point, IL	207	0	100.0%
Lake Dalecarlia, IN	1,779	37	26.0%
Lake Village, IN	707	37	26.0%
Aroma Park, IL	692	55	10.0%
Peotone, IL	4,066	55	10.0%
Grant Park, IL	1,681	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Dalton, OH	1,681	46	8.0%
Tremont, PA	1,681	42	16.0%
Webster, SD	1,681	25	50.0%
Sacré-Coeur, QC	1,681	n/a
Ashland, AL	1,680	38	24.0%
Grant Park, IL	1,681	55	10.0%

Source: The Grant Park, 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.