Harwood Heights, IL Weather - Forecast & Monthly Averages

TEMPERATURE	43
HUMIDITY	79
PRESSURE	101490
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Harwood Heights for July is 75 degrees
The lowest monthly average temperature in Harwood Heights for January is 24.8 degrees
The most monthly precipitation in Harwood Heights occurs in May with 5.4 inches
The air quality index in Harwood Heights is 31% worse than the national average
The pollution index in Harwood Heights is 39% worse than the national average

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Harwood 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	16°F	34°F	25°F	2.3"
February	18°F	36°F	27°F	2.3"
March	29°F	49°F	39°F	2.8"
April	38°F	63°F	50°F	3.9"
May	48°F	73°F	60°F	5.4"
June	59°F	83°F	71°F	4.5"
July	64°F	86°F	75°F	5.2"
August	63°F	84°F	74°F	4.4"
September	56°F	78°F	66°F	3.6"
October	44°F	65°F	54°F	3.4"
November	32°F	52°F	42°F	2.3"
December	21°F	38°F	29°F	2.9"

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Harwood 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	Harwood Heights	Illinois	National
Air quality index	55	41	42
Pollution index	3,795,410	3,148,694	2,726,193

Harwood Heights air quality information

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

Harwood Heights air quality information

Pollutant	Total
Arsenic	0.030%
Benzene	0.050%
Carbon Tetrachloride	0.010%
Lead	0.003%
Mercury	0.310%

Average monthly Harwood Heights temperature with heat index

Harwood Heights monthly precipitation with daily maximum

Harwood Heights monthly snow depth with daily maximum

Harwood Heights monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Palatine, IL	67,875	55	10.0%
Berwyn, IL	54,850	55	10.0%
Cicero, IL	81,471	55	10.0%
Oak Park, IL	52,102	55	10.0%
Glencoe, IL	8,836	55	10.0%
Harwood Heights, IL	8,393	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Beaver Falls, PA	8,393	6	88.0%
Kennedale, TX	8,393	51	2.0%
Kalifornsky, AK	8,395	31	38.0%
Warrenton, MO	8,388	54	8.0%
Torbay, NL	8,388	n/a
Harwood Heights, IL	8,393	55	10.0%

Source: The Harwood 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.