TODAY FEB25
TEMPERATURE30
HUMIDITY93
PRESSURE30.25
WIND COND.310 9.4
  • 3620Thu
  • 4334Fri60%
  • 5032Sat
  • 4826Sun
  • 3921Mon
daynightWeather update from Lewis University Airport at

Key findings

  • The highest monthly average temperature in New Lenox for July is 73 degrees
  • The lowest monthly average temperature in New Lenox for January is 24 degrees
  • The most monthly precipitation in New Lenox occurs in August with 7.7 inches
  • The air quality index in New Lenox is 11% worse than the national average
  • The pollution index in New Lenox is 69% better than the national average

Compare New Lenox, IL Weather

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      New Lenox 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
      January17°F32°F24°F3.1"
      February18°F34°F26°F3.0"
      March31°F49°F39°F5.2"
      April40°F62°F50°F4.8"
      May51°F73°F61°F5.9"
      June60°F82°F70°F6.7"
      July64°F84°F73°F4.1"
      August62°F82°F71°F7.7"
      September55°F76°F65°F3.2"
      October44°F64°F53°F7.3"
      November33°F50°F41°F3.9"
      December22°F36°F29°F3.7"

      New Lenox 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.
      IndexNew LenoxIllinoisNational
      Air quality index554150
      Pollution index1,558,0703,347,2955,066,862

      New Lenox 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

      New Lenox air quality information

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

      Average monthly New Lenox temperature with heat index

      New Lenox monthly precipitation with daily maximum

      New Lenox monthly snow depth with daily maximum

      New Lenox monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Wilmington village, IL1440100%
      Elwood, IL2,1440100%
      Wilmington, IL6,0100100%
      Shorewood, IL16,5390100%
      Flossmoor, IL9,2155510%
      New Lenox, IL25,3475510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Sandusky, OH25,338198%
      Ramsey, MN25,329468%
      Lafayette, CA25,3814020%
      Belvidere, IL25,3004216%
      Ossining, NY25,299512%
      New Lenox, IL25,3475510%
      Source: The New Lenox, 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.