TODAY JAN18
TEMPERATURE28
HUMIDITY81
PRESSURE29.79
WIND COND.240 11.2
  • 3120
  • 2616Tue30%
  • 3629Wed
  • 3819Thu
  • 2613Fri
daynightWeather update from Chicago, Chicago-O'Hare International Airport at

Key findings

  • The highest monthly average temperature in Forest Glen for July is 76 degrees
  • The lowest monthly average temperature in Forest Glen for January is 26 degrees
  • The most monthly precipitation in Forest Glen occurs in August with 5.1 inches
  • The air quality index in Forest Glen is 11% worse than the national average
  • The pollution index in Forest Glen is 25% better than the national average

Compare Chicago, IL Weather

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      Forest Glen 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
      January20°F34°F26°F1.9"
      February21°F36°F28°F1.6"
      March33°F49°F40°F2.4"
      April42°F62°F51°F3.6"
      May52°F73°F61°F4.3"
      June63°F82°F72°F4.6"
      July68°F86°F76°F3.5"
      August67°F83°F75°F5.1"
      September60°F77°F68°F2.8"
      October48°F65°F55°F3.9"
      November36°F51°F43°F2.2"
      December25°F37°F31°F2.2"

      Forest Glen 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.
      IndexForest GlenChicagoIllinois
      Air quality index555541
      Pollution index3,795,41080,238,7043,347,295

      Forest Glen 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

      Forest Glen air quality information

      PollutantTotal
      Arsenic0.760%
      Benzene0.560%
      Carbon Tetrachloride0.280%
      Lead0.480%
      Mercury0.480%

      Average monthly Forest Glen temperature with heat index

      Forest Glen monthly precipitation with daily maximum

      Forest Glen monthly snow depth with daily maximum

      Forest Glen monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Long Grove, IL8,0655510%
      Berwyn, IL56,4145510%
      Elmwood Park, IL24,8455510%
      Stickney, IL6,7785510%
      Glenview, IL46,5595510%
      Chicago, IL2,714,0175510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Houston, TX2,240,582524%
      Philadelphia, PA1,559,938512%
      Phoenix, AZ1,555,3247448%
      Los Angeles, CA3,918,8727244%
      San Antonio, TX1,439,358492%
      Chicago, IL2,714,0175510%
      Source: The Forest Glen, Chicago, 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.