TODAY MAY27
TEMPERATURE80
HUMIDITY64
PRESSURE29.87
WIND COND.160 20.8
  • 7965Wed30%60%
  • 7559Thu80%90%
  • 7152Fri
  • 7051Sat
  • 7155Sun
daynightWeather update from Clinton, Clinton Municipal Airport at
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Thomson 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
January15°F32°F23°F2.0"
February16°F34°F25°F2.7"
March31°F50°F39°F5.0"
April41°F64°F51°F6.5"
May51°F75°F62°F4.6"
June61°F83°F71°F8.9"
July64°F85°F74°F4.5"
August61°F83°F72°F4.9"
September54°F78°F65°F3.6"
October43°F64°F53°F3.1"
November32°F50°F40°F2.9"
December20°F35°F28°F4.0"

Did you know?

  • The highest monthly average temperature in Thomson for July is 74 degrees.
  • The lowest monthly average temperature in Thomson for January is 23 degrees.
  • The most monthly precipitation in Thomson occurs in June with 8.9 inches.
  • The air quality index in Thomson is 7% worse than the national average.
  • The pollution index in Thomson is 69% better than the national average.

Compare Thomson, IL Weather To Other Cities

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      Thomson 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.
      IndexThomsonIllinoisNational
      Air quality index534150
      Pollution index1,592,9103,347,2955,066,862

      Thomson air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality158
      Days with moderate air quality204
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality

      Thomson air quality information

      PollutantTotal
      Arsenic0.090%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.010%

      Average monthly Thomson temperature with heat index

      Thomson monthly precipitation with daily maximum

      Thomson monthly snow depth with daily maximum

      Thomson monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Goose Lake, IA275536%
      Sabula, IA448536%
      Lanark, IL1,542536%
      Andover, IA113536%
      Low Moor, IA249536%
      Thomson, IL563536%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      McElhattan, PA5633138%
      White Earth, MN5633530%
      Simpson, LA563435770%
      Middleton, TN563335570%
      Laupahoehoe, HI563142184%
      Thomson, IL563536%
      Source: The Thomson, 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.