River Forest, IL Weather Forecast & Monthly Average Temperatures

TEMPERATURE	26
HUMIDITY	74
PRESSURE	30.32
WIND COND.	330 6.9

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River Forest 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"

Did you know?

The highest monthly average temperature in River Forest for July is 76 degrees.
The lowest monthly average temperature in River Forest for January is 26 degrees.
The most monthly precipitation in River Forest occurs in August with 5.1 inches.
The air quality index in River Forest is 20% worse than the national average.
The pollution index in River Forest is 5% better than the national average.

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River Forest 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	River Forest	Illinois	National
Air quality index	60	41	50
Pollution index	4,766,000	3,347,295	5,066,862

River Forest air quality information

Measurement	Total
Days measured	365
Days with good air quality	72
Days with moderate air quality	281
Days w/ poor A.Q. for sensitive groups	11
Days with unhealthy air quality	1

River Forest air quality information

Pollutant	Total
Arsenic	0.060%
Benzene	0.050%
Carbon Tetrachloride	0.000%
Lead	0.020%
Mercury	0.090%

Average monthly River Forest temperature with heat index

River Forest monthly precipitation with daily maximum

River Forest monthly snow depth with daily maximum

River Forest monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Bellwood, IL	19,146	60	20%
Bloomingdale, IL	22,221	60	20%
Brookfield, IL	18,966	60	20%
Chicago Ridge, IL	14,368	60	20%
Darien, IL	22,232	60	20%
River Forest, IL	11,217	60	20%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Jefferson Hills, PA	11,214	56	12%
Scottdale, GA	11,221	52	4%
Maltby, WA	11,221	49	2%
Destrehan, LA	11,211	45	10%
Port St. John, FL	11,223	36	28%
River Forest, IL	11,217	60	20%

Source: The River Forest, 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.