Oak Park, IL Weather - Forecast & Monthly Averages

TEMPERATURE	54
HUMIDITY	59
PRESSURE	100810
WIND COND.	180 11.2

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Weather Quick Facts

The highest monthly average temperature in Oak Park for July is 76.3 degrees
The lowest monthly average temperature in Oak Park for January is 26.2 degrees
The most monthly precipitation in Oak Park occurs in August with 5.1 inches
The air quality index in Oak Park is 31% worse than the national average
The pollution index in Oak Park is 75% worse than the national average

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Oak 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	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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Oak 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	Oak Park	Illinois	National
Air quality index	55	41	42
Pollution index	4,766,000	3,148,694	2,726,193

Oak 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	0.060%
Benzene	0.050%
Carbon Tetrachloride	0.000%
Lead	0.020%
Mercury	0.090%

Average monthly Oak Park temperature with heat index

Oak Park monthly precipitation with daily maximum

Oak Park monthly snow depth with daily maximum

Oak Park monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Chicago, IL	2,699,347	55	10.0%
Forest View, IL	1,312	55	10.0%
Hickory Hills, IL	14,253	55	10.0%
Evergreen Park, IL	19,290	55	10.0%
Glenview, IL	47,218	55	10.0%
Oak Park, IL	52,102	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Bentonville, AR	52,070	44	12.0%
Placentia, CA	52,049	89	78.0%
Queen Creek, AZ	52,162	74	48.0%
Whitchurch-Stouffville, ON	52,025	n/a
Mascouche, QC	52,212	n/a
Oak Park, IL	52,102	55	10.0%

Source: The Oak 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.