TODAY JUL15
TEMPERATURE67
HUMIDITY100
PRESSURE101220
WIND COND.210 18.4
  • 9273Mon70%
  • 8566Tue40%20%
  • 8060Wed
  • 7455Thu
  • 7958Fri
daynightWeather update from Lansing Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in South Chicago Heights for July is 74 degrees
  • The lowest monthly average temperature in South Chicago Heights for January is 25.6 degrees
  • The most monthly precipitation in South Chicago Heights occurs in July with 8 inches
  • The air quality index in South Chicago Heights is 31% worse than the national average
  • The pollution index in South Chicago Heights is 43% better than the national average

Compare South Chicago Heights, IL Weather

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      South Chicago Heights Average Temperature

      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
      January18°F34°F26°F4.5"
      February19°F35°F27°F3.6"
      March31°F49°F39°F4.4"
      April40°F62°F50°F5.4"
      May50°F72°F60°F6.5"
      June60°F81°F70°F5.8"
      July64°F84°F74°F8.0"
      August63°F82°F72°F7.5"
      September56°F76°F65°F5.4"
      October45°F64°F54°F6.2"
      November33°F51°F42°F5.4"
      December24°F38°F31°F3.8"

      South Chicago 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.
      IndexSouth Chicago HeightsIllinoisNational
      Air quality index554142
      Pollution index1,558,0703,148,6942,726,193

      South Chicago Heights air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality121
      Days with moderate air quality227
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality1

      South Chicago Heights air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.010%
      Carbon Tetrachloride0.070%
      Lead0.090%
      Mercury0.010%

      Average monthly South Chicago Heights temperature with heat index

      South Chicago Heights monthly precipitation with daily maximum

      South Chicago Heights monthly snow depth with daily maximum

      South Chicago Heights monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lake Dalecarlia, IN1,7793726.0%
      Richton Park, IL13,3815510.0%
      Crestwood, IL10,7625510.0%
      Markham, IL12,4015510.0%
      Posen, IL5,7725510.0%
      South Chicago Heights, IL4,0425510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Trent Woods, NC4,0434216.0%
      Whitesboro, TX4,043325550.0%
      Woodson Terrace, MO4,044548.0%
      Barclay, NJ4,0444020.0%
      Stilwell, OK4,0443628.0%
      South Chicago Heights, IL4,0425510.0%
      Source: The South Chicago 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.