TODAY FEB26
TEMPERATURE40
HUMIDITY60
PRESSURE30.14
WIND COND.80 14.8
  • 4841Fri40%30%
  • 6052Sat90%
  • 6135Sun50%30%
  • 5232Mon
  • 5238Tue
daynightWeather update from Paducah, Barkley Regional Airport at

Key findings

  • The highest monthly average temperature in Olmsted for July is 79 degrees
  • The lowest monthly average temperature in Olmsted for January is 37 degrees
  • The most monthly precipitation in Olmsted occurs in November with 8.5 inches
  • The air quality index in Olmsted is 12% better than the national average
  • The pollution index in Olmsted is 69% better than the national average

Compare Olmsted, IL Weather

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      Olmsted 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
      January29°F46°F37°F4.5"
      February31°F49°F39°F3.7"
      March41°F61°F50°F7.8"
      April51°F72°F61°F7.9"
      May60°F80°F69°F6.9"
      June69°F90°F79°F6.4"
      July70°F90°F79°F5.7"
      August68°F89°F77°F4.3"
      September60°F83°F70°F2.8"
      October49°F73°F60°F4.4"
      November39°F60°F49°F8.5"
      December33°F49°F40°F8.2"

      Olmsted 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.
      IndexOlmstedIllinoisNational
      Air quality index444150
      Pollution index1,566,3403,347,2955,066,862

      Olmsted air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality261
      Days with moderate air quality103
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Olmsted air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Olmsted temperature with heat index

      Olmsted monthly precipitation with daily maximum

      Olmsted monthly snow depth with daily maximum

      Olmsted monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Dongola, IL7874412%
      Pulaski, IL2064412%
      Cairo, IL2,5594412%
      New Grand Chain, IL1634412%
      Wickliffe, KY6494412%
      Olmsted, IL4354412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Pinedale, AZ4354412%
      Lovingston, VA4354020%
      Benzonia, MI4353628%
      Lake Poinsett, SD4352550%
      Leslie, GA4353922%
      Olmsted, IL4354412%
      Source: The Olmsted, 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.