Forest Lake, IL Weather - Forecast & Monthly Averages

TEMPERATURE
HUMIDITY	72
PRESSURE	102570
WIND COND.	170 20.5

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Weather Quick Facts

The highest monthly average temperature in Forest Lake for July is 74.5 degrees
The lowest monthly average temperature in Forest Lake for January is 24.9 degrees
The most monthly precipitation in Forest Lake occurs in June with 4.7 inches
The air quality index in Forest Lake is 31% worse than the national average
The pollution index in Forest Lake is 80% better than the national average

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Forest Lake 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	33°F	25°F	1.1"
February	19°F	34°F	26°F	1.4"
March	30°F	48°F	38°F	1.8"
April	39°F	60°F	49°F	2.7"
May	49°F	71°F	60°F	3.6"
June	60°F	81°F	69°F	4.7"
July	65°F	85°F	74°F	4.0"
August	64°F	83°F	73°F	4.4"
September	56°F	76°F	66°F	2.7"
October	45°F	64°F	54°F	3.2"
November	34°F	50°F	42°F	1.7"
December	23°F	37°F	30°F	2.0"

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Forest Lake 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	Forest Lake	Illinois	National
Air quality index	55	41	42
Pollution index	543,516	3,148,694	2,726,193

Forest Lake 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	0.000%
Benzene	0.004%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Forest Lake temperature with heat index

Forest Lake monthly precipitation with daily maximum

Forest Lake monthly snow depth with daily maximum

Forest Lake monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Grayslake, IL	20,482	39	22.0%
Libertyville, IL	20,300	39	22.0%
Johnsburg, IL	6,354	39	22.0%
Oakwood Hills, IL	2,543	39	22.0%
Round Lake Heights, IL	3,009	39	22.0%
Forest Lake, IL	1,292	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Redstone Arsenal, AL	1,292	44	12.0%
Sherwood No. 159, SK	1,292	n/a
Brookdale, CA	1,293	35	30.0%
Tennille, GA	1,291	38	24.0%
Lapwai, ID	1,291	29	42.0%
Forest Lake, IL	1,292	55	10.0%

Source: The Forest Lake, 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.