TODAY NOV25
TEMPERATURE50
HUMIDITY80
PRESSURE100920
WIND COND.80 13
  • 5025Mon20%
  • 3727Tue
  • 4124Wed20%30%
  • 3519
  • 2715Fri
daynightWeather update from Chicago/Waukegan Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Long Lake for July is 72 degrees
  • The lowest monthly average temperature in Long Lake for January is 23.8 degrees
  • The most monthly precipitation in Long Lake occurs in June with 4.5 inches
  • The air quality index in Long Lake is 7% better than the national average
  • The pollution index in Long Lake is 80% better than the national average

Compare Long Lake, IL Weather

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      Long Lake 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"

      Long Lake 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.
      IndexLong LakeIllinoisNational
      Air quality index394142
      Pollution index543,5163,148,6942,726,193

      Long Lake air quality

      MeasurementTotal
      Days measured203
      Days with good air quality174
      Days with moderate air quality28
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.004%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Long Lake temperature with heat index

      Long Lake monthly precipitation with daily maximum

      Long Lake monthly snow depth with daily maximum

      Long Lake monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bloomfield, WI4,7253726.0%
      Greenwood, IL3523726.0%
      Lake Ivanhoe, WI3983726.0%
      Gages Lake, IL9,9393922.0%
      Holiday Hills, IL6533922.0%
      Long Lake, IL3,0653922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Oakland, FL3,0653922.0%
      Dawsonville, GA3,0653726.0%
      High Bridge, WA3,0654510.0%
      Eagle Lake, MN3,064468.0%
      Mount Morris, NY3,0643726.0%
      Long Lake, IL3,0653922.0%
      Source: The Long Lake, 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.