TODAY MAY05
TEMPERATURE59
HUMIDITY43
PRESSURE30.14
WIND COND.340 13
  • 5940Thu70%20%
  • 6036Fri
  • 6141Sat
  • 5838Sun
  • 6140Mon
daynightWeather update from Rochelle, Rochelle Municipal-Koritz Field Airport at

Key findings

  • The highest monthly average temperature in Ashton for July is 71.5 degrees
  • The lowest monthly average temperature in Ashton for January is 21.6 degrees
  • The most monthly precipitation in Ashton occurs in October with 7.1 inches
  • The air quality index in Ashton is 16% better than the national average
  • The pollution index in Ashton is 59% better than the national average

Compare Ashton, IL Weather

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      Ashton 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
      January14°F30°F22°F3.8"
      February14°F32°F23°F3.4"
      March29°F48°F37°F4.3"
      April39°F62°F50°F4.5"
      May50°F74°F61°F5.4"
      June59°F81°F70°F6.7"
      July61°F82°F71°F6.0"
      August59°F81°F69°F6.4"
      September51°F76°F63°F3.8"
      October41°F63°F51°F7.1"
      November29°F48°F38°F3.9"
      December19°F34°F26°F3.6"

      Ashton 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.
      IndexAshtonIllinoisNational
      Air quality index424150
      Pollution index2,097,7403,347,2955,066,862

      Ashton air quality information

      MeasurementTotal
      Days measured341
      Days with good air quality240
      Days with moderate air quality100
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Ashton air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.060%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.300%

      Average monthly Ashton temperature with heat index

      Ashton monthly precipitation with daily maximum

      Ashton monthly snow depth with daily maximum

      Ashton monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Paw Paw, IL8120100%
      Amboy, IL2,5190100%
      West Brooklyn, IL1670100%
      Compton, IL2590100%
      Lee, IL3580100%
      Ashton, IL1,0084216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Gratis, OH1,008476%
      Barataria, LA1,0084510%
      Dayton, WY1,0083922%
      Independence, VA1,0082648%
      Milford Square, PA1,0074216%
      Ashton, IL1,0084216%
      Source: The Ashton, 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.