TODAY NOV25
TEMPERATURE55
HUMIDITY72
PRESSURE101020
WIND COND.310 20.5
  • 4034Tue
  • 4332Wed30%50%
  • 392330%
  • 2818Fri
  • 2917Sat
daynightWeather update from Gary Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Hegewisch for July is 76.3 degrees
  • The lowest monthly average temperature in Hegewisch for January is 26.2 degrees
  • The most monthly precipitation in Hegewisch occurs in August with 5.1 inches
  • The air quality index in Hegewisch is 31% worse than the national average
  • The pollution index in Hegewisch is 2843% worse than the national average

Compare Chicago, IL Weather

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      Hegewisch 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"

      Hegewisch 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.
      IndexHegewischChicagoIllinois
      Air quality index555541
      Pollution index80,238,70480,238,7043,148,694

      Hegewisch air quality

      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

      Air quality details

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

      Average monthly Hegewisch temperature with heat index

      Hegewisch monthly precipitation with daily maximum

      Hegewisch monthly snow depth with daily maximum

      Hegewisch monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Hobart, IN28,1203726.0%
      Merrillville, IN34,8713726.0%
      New Chicago, IN1,8463726.0%
      Park Forest, IL20,7155510.0%
      East Chicago, IN28,0445510.0%
      Chicago, IL2,699,3475510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Toronto, ON3,013,752n/a 
      Houston, TX2,313,238524.0%
      Montréal, QC1,811,008n/a 
      Phoenix, AZ1,658,4227448.0%
      Philadelphia, PA1,581,531512.0%
      Chicago, IL2,699,3475510.0%
      Source: The Hegewisch, 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.