Preston Heights, IL Weather - Forecast & Monthly Averages

TEMPERATURE	37
HUMIDITY	94
PRESSURE	100510
WIND COND.	290 22.3

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Weather Quick Facts

The highest monthly average temperature in Preston Heights for July is 74.2 degrees
The lowest monthly average temperature in Preston Heights for January is 25.3 degrees
The most monthly precipitation in Preston Heights occurs in August with 6.8 inches
The air quality index in Preston Heights is 31% worse than the national average
The pollution index in Preston Heights is 43% better than the national average

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Preston 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	25°F	2.5"
February	19°F	36°F	27°F	2.8"
March	31°F	50°F	39°F	4.5"
April	41°F	63°F	51°F	4.9"
May	50°F	73°F	61°F	4.7"
June	60°F	83°F	71°F	5.4"
July	64°F	85°F	74°F	5.7"
August	62°F	83°F	72°F	6.8"
September	55°F	77°F	65°F	5.4"
October	44°F	64°F	53°F	5.7"
November	33°F	51°F	41°F	4.9"
December	23°F	37°F	30°F	3.7"

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

Preston 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 Preston Heights temperature with heat index

Preston Heights monthly precipitation with daily maximum

Preston Heights monthly snow depth with daily maximum

Preston Heights monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Carbon Hill, IL	386	0	100.0%
Wilmington village, IL	144	0	100.0%
Oswego, IL	35,470	0	100.0%
Coal City, IL	4,941	0	100.0%
Wilmington, IL	5,883	0	100.0%
Preston Heights, IL	2,529	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Goshen, AR	2,528	44	12.0%
Kalona, IA	2,528	35	30.0%
Postville, IA	2,528	35	30.0%
Stone Ridge, NY	2,528	36	28.0%
White River Junction, VT	2,528	34	32.0%
Preston Heights, IL	2,529	55	10.0%

Source: The Preston 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.