TODAY MAY26
TEMPERATURE87
HUMIDITY43
PRESSURE29.75
WIND COND. 3.4
  • 9570Sun
  • 9570
  • 9068Tue
  • 8064Wed
  • 8465Thu
daynightWeather update from Chicago, Chicago Midway Airport at

Countryside Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January-18°F65°F27°F2.0"
February-9°F63°F27°F2.1"
March14°F79°F39°F2.4"
April21°F85°F51°F2.8"
May33°F93°F60°F2.8"
June46°F97°F72°F2.7"
July57°F104°F75°F2.5"
August48°F99°F74°F4.2"
September42°F95°F68°F3.2"
October28°F88°F54°F3.5"
November14°F73°F43°F1.5"
December-6°F63°F29°F2.5"

Did you know?

  • The highest monthly average temperature in Countryside for July is 75 degrees.
  • The lowest monthly average temperature in Countryside for February is 27 degrees.
  • The most monthly precipitation in Countryside occurs in August with 4.2 inches.
  • The air quality index in Countryside is 20% worse than the national average.
  • The pollution index in Countryside is 195% worse than the national average.

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Compare Countryside, IL Weather To Other Cities

Countryside 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.
IndexCountrysideIllinoisNational
Air quality index604150
Pollution index14,981,3003,347,2955,066,862

Countryside air quality information

MeasurementTotal
Days measured365
Days with good air quality72
Days with moderate air quality281
Days w/ poor A.Q. for sensitive groups11
Days with unhealthy air quality1

Countryside air quality information

PollutantTotal
Arsenic0.010%
Benzene0.140%
Carbon Tetrachloride0.030%
Lead0.020%
Mercury0.010%

Average monthly Countryside temperature with heat index

Countryside monthly precipitation with daily maximum

Countryside monthly snow depth with daily maximum

Countryside monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
River Forest, IL11,2176020%
Romeoville, IL39,7396020%
South Holland, IL22,0406020%
Thornton, IL2,6146020%
Western Springs, IL13,1336020%
Countryside, IL5,9656020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Sheridan, CO5,965548%
Minot AFB, ND5,9644118%
Simsbury Center, CT5,968468%
Dickson City, PA5,9704020%
South Hooksett, NH5,9583628%
Countryside, IL5,9656020%
Source: The Countryside, 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.