TODAY MAY27
TEMPERATURE74
HUMIDITY71
PRESSURE29.93
WIND COND.150 9.2
  • 7862Wed30%40%
  • 7659Thu70%90%
  • 7151Fri50%
  • 6049Sat
  • 6151Sun
daynightWeather update from Chicago/Waukegan Regional Airport at
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Waukegan 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
January16°F32°F24°F1.4"
February17°F33°F25°F1.5"
March28°F45°F36°F2.6"
April37°F57°F46°F4.1"
May47°F68°F57°F3.7"
June57°F77°F67°F4.5"
July63°F82°F72°F4.4"
August62°F80°F71°F3.7"
September55°F73°F64°F3.3"
October44°F62°F52°F3.4"
November33°F49°F40°F2.0"
December22°F36°F29°F2.5"

Did you know?

  • The highest monthly average temperature in Waukegan for July is 72 degrees.
  • The lowest monthly average temperature in Waukegan for January is 24 degrees.
  • The most monthly precipitation in Waukegan occurs in June with 4.5 inches.
  • The air quality index in Waukegan is 30% better than the national average.
  • The pollution index in Waukegan is 38% better than the national average.

Compare Waukegan, IL Weather To Other Cities

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      Waukegan 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.
      IndexWaukeganIllinoisNational
      Air quality index354150
      Pollution index3,131,7003,347,2955,066,862

      Waukegan air quality information

      MeasurementTotal
      Days measured189
      Days with good air quality178
      Days with moderate air quality11
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Waukegan air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.030%
      Carbon Tetrachloride0.010%
      Lead0.004%
      Mercury0.360%

      Average monthly Waukegan temperature with heat index

      Waukegan monthly precipitation with daily maximum

      Waukegan monthly snow depth with daily maximum

      Waukegan monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Gages Lake, IL10,0413530%
      Gurnee, IL31,0703530%
      Lake Bluff, IL5,7583530%
      Round Lake Park, IL7,9893530%
      Winthrop Harbor, IL6,8323530%
      Waukegan, IL88,1593530%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Meridian, ID88,2473628%
      Newton, MA88,317476%
      Edmond, OK88,342476%
      Norwalk, CT87,930476%
      Reading, PA87,8994510%
      Waukegan, IL88,1593530%
      Source: The Waukegan, 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.