TODAY MAR01
TEMPERATURE
HUMIDITY88
PRESSURE29.99
WIND COND.
  • 3518Mon
  • 4828Tue
  • 5027Wed
  • 4725Thu
  • 4824Fri
daynightWeather update from Sterling Rockfalls at

Key findings

  • The highest monthly average temperature in Lyndon for August is 73 degrees
  • The lowest monthly average temperature in Lyndon for December is 23 degrees
  • The most monthly precipitation in Lyndon occurs in August with 9.2 inches
  • The air quality index in Lyndon is 16% better than the national average
  • The pollution index in Lyndon is 59% better than the national average

Compare Lyndon, IL Weather

      vs
      How would you rate the weather in Lyndon?
      Write a review to give others more information about this area.
      How would you rate the air quality in Lyndon?
      Write a review to give others more information about this area.
      See all Lyndon poll results

      Lyndon 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
      January18°F33°F25°F2.9"
      February17°F32°F24°F2.5"
      March31°F52°F39°F4.5"
      April39°F65°F50°F6.4"
      May50°F76°F62°F3.5"
      June61°F86°F73°F6.1"
      July61°F86°F73°F7.8"
      August64°F85°F73°F9.2"
      September55°F82°F67°F3.9"
      October45°F69°F56°F1.9"
      November30°F52°F40°F4.2"
      December17°F31°F23°F1.5"

      Lyndon 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.
      IndexLyndonIllinoisNational
      Air quality index424150
      Pollution index2,097,7403,347,2955,066,862

      Lyndon air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality268
      Days with moderate air quality96
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Lyndon air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.060%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.300%

      Average monthly Lyndon temperature with heat index

      Lyndon monthly precipitation with daily maximum

      Lyndon monthly snow depth with daily maximum

      Lyndon monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      New Bedford, IL594216%
      Fulton, IL3,4554216%
      Prophetstown, IL2,0934216%
      Clinton, IA26,1484216%
      Deer Grove, IL394216%
      Lyndon, IL6904216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Manderson-White Horse Creek, SD6904412%
      Cohutta, GA6904314%
      Big Point, MS6903236%
      Leary, GA6904020%
      Oaktown, IN6903628%
      Lyndon, IL6904216%
      Source: The Lyndon, 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.