TODAY MAY15
TEMPERATURE61
HUMIDITY62
PRESSURE30.2
WIND COND.190 14.8
  • 7457Sun40%
  • 7158Mon60%50%
  • 7361Tue40%
  • 8065Wed
  • 8366Thu
daynightWeather update from Pontiac Municipal Airport at

Key findings

  • The highest monthly average temperature in Dwight for July is 74.7 degrees
  • The lowest monthly average temperature in Dwight for January is 26.6 degrees
  • The most monthly precipitation in Dwight occurs in July with 10.4 inches
  • The air quality index in Dwight is 100% better than the national average
  • The pollution index in Dwight is 66% better than the national average

Compare Dwight, IL Weather

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      Dwight 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
      January19°F35°F27°F3.7"
      February20°F37°F28°F2.9"
      March33°F52°F41°F4.7"
      April42°F66°F53°F5.6"
      May54°F76°F64°F6.5"
      June63°F84°F73°F7.6"
      July65°F85°F75°F10.4"
      August62°F83°F72°F7.8"
      September55°F79°F66°F7.6"
      October44°F66°F54°F4.3"
      November34°F53°F42°F5.5"
      December24°F39°F31°F3.5"

      Dwight 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.
      IndexDwightIllinoisNational
      Air quality index04150
      Pollution index1,736,9303,347,2955,066,862

      Dwight air quality information

      MeasurementTotal
      Days measured335
      Days with good air quality334
      Days with moderate air quality1
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Dwight air quality information

      PollutantTotal
      Arsenic0.004%
      Benzene0.040%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.001%

      Average monthly Dwight temperature with heat index

      Dwight monthly precipitation with daily maximum

      Dwight monthly snow depth with daily maximum

      Dwight monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Braceville, IL7350100%
      Diamond, IL2,7330100%
      Godley, IL7300100%
      Emington, IL750100%
      Seneca, IL2,5650100%
      Dwight, IL4,1680100%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Dilley, TX4,168492%
      Centralia, MO4,1673824%
      Moses Lake North, WA4,1671864%
      Sidney, NY4,1672746%
      Ely, NV4,1691472%
      Dwight, IL4,1680100%
      Source: The Dwight, 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.