TODAY NOV06
TEMPERATURE51
HUMIDITY98
PRESSURE101690
WIND COND.
  • 6342Thu
  • 6446Fri
  • 6554Sat40%90%
  • 6747Sun40%20%
  • 674720%
daynightWeather update from Centralia Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Ashley for July is 77.8 degrees
  • The lowest monthly average temperature in Ashley for January is 32 degrees
  • The most monthly precipitation in Ashley occurs in April with 9.7 inches
  • The air quality index in Ashley is 2% worse than the national average
  • The pollution index in Ashley is 79% better than the national average

Compare Ashley, IL Weather

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      Ashley 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
      January25°F41°F32°F5.0"
      February26°F43°F34°F3.4"
      March38°F58°F47°F4.9"
      April47°F69°F57°F9.7"
      May57°F77°F66°F7.4"
      June66°F87°F76°F8.6"
      July68°F89°F78°F6.6"
      August66°F88°F76°F8.7"
      September58°F81°F68°F7.6"
      October47°F70°F58°F7.1"
      November37°F57°F46°F6.0"
      December30°F45°F36°F6.6"

      Ashley 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.
      IndexAshleyIllinoisNational
      Air quality index434142
      Pollution index569,1783,148,6942,726,193

      Ashley air quality

      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

      Air quality details

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

      Average monthly Ashley temperature with heat index

      Ashley monthly precipitation with daily maximum

      Ashley monthly snow depth with daily maximum

      Ashley monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mount Vernon, IL14,7694314.0%
      Hoyleton, IL5074314.0%
      Tamaroa, IL7404314.0%
      Nashville, IL3,0764314.0%
      Walnut Hill, IL1124314.0%
      Ashley, IL4714314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Declo, ID4712060.0%
      Fowler, KS4711570.0%
      Sedalia, NC4713138.0%
      Forman, ND4712060.0%
      Beallsville, PA4715612.0%
      Ashley, IL4714314.0%
      Source: The Ashley, 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.