TODAY MAY05
TEMPERATURE63
HUMIDITY48
PRESSURE30.14
WIND COND.340 11.2
  • 6742Thu30%70%
  • 6848Fri
  • 6152Sat40%
  • 6745Sun
  • 6446Mon
daynightWeather update from Marion - Williamson County Regional Airport at

Key findings

  • The highest monthly average temperature in West City for July is 78.6 degrees
  • The lowest monthly average temperature in West City for January is 34.8 degrees
  • The most monthly precipitation in West City occurs in June with 13.3 inches
  • The air quality index in West City is 14% better than the national average
  • The pollution index in West City is 89% better than the national average

Compare West City, IL Weather

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      West City 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
      January27°F44°F35°F2.5"
      February29°F46°F37°F1.6"
      March40°F59°F49°F4.1"
      April50°F70°F59°F10.7"
      May58°F78°F68°F10.5"
      June67°F87°F77°F13.3"
      July70°F88°F79°F0.5"
      August68°F88°F77°F0.4"
      September61°F81°F70°F1.2"
      October50°F70°F59°F0.8"
      November39°F58°F48°F5.8"
      December32°F47°F39°F1.2"

      West City 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.
      IndexWest CityIllinoisNational
      Air quality index434150
      Pollution index569,1783,347,2955,066,862

      West City air quality information

      MeasurementTotal
      Days measured344
      Days with good air quality269
      Days with moderate air quality74
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      West City air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly West City temperature with heat index

      West City monthly precipitation with daily maximum

      West City monthly snow depth with daily maximum

      West City monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Mulkeytown, IL1134314%
      West Frankfort, IL7,9414314%
      Bush, IL2444314%
      Hurst, IL7054314%
      Macedonia, IL824314%
      West City, IL7894314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Altona, NY7890100%
      Worden, MT7892158%
      Chester, MA7893726%
      Huntsville, UT7894510%
      Cambria, WI7894020%
      West City, IL7894314%
      Source: The West City, 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.