TODAY MAY16
TEMPERATURE64
HUMIDITY53
PRESSURE30.21
WIND COND.
  • 7057Mon80%60%
  • 7061Tue40%50%
  • 8264Wed20%
  • 8465Thu
  • 8664Fri
daynightWeather update from Greater Kankakee Airport at

Key findings

  • The highest monthly average temperature in Onarga for July is 74.5 degrees
  • The lowest monthly average temperature in Onarga for January is 25.5 degrees
  • The most monthly precipitation in Onarga occurs in August with 9.8 inches
  • The air quality index in Onarga is 16% better than the national average
  • The pollution index in Onarga is 60% better than the national average

Compare Onarga, IL Weather

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      Onarga 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
      January18°F34°F25°F3.2"
      February19°F36°F27°F2.6"
      March32°F51°F40°F3.2"
      April41°F64°F51°F5.2"
      May51°F74°F62°F5.3"
      June61°F83°F71°F9.7"
      July64°F86°F74°F5.3"
      August62°F84°F73°F9.8"
      September55°F79°F66°F6.1"
      October44°F65°F54°F7.0"
      November34°F52°F42°F3.8"
      December24°F38°F31°F3.7"

      Onarga 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.
      IndexOnargaIllinoisNational
      Air quality index424150
      Pollution index2,020,4303,347,2955,066,862

      Onarga air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality281
      Days with moderate air quality84
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Onarga air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.090%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.001%

      Average monthly Onarga temperature with heat index

      Onarga monthly precipitation with daily maximum

      Onarga monthly snow depth with daily maximum

      Onarga monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Cullom, IL5950100%
      Roberts, IL3744216%
      Watseka, IL5,3184216%
      Crescent City, IL6924216%
      Thawville, IL1934216%
      Onarga, IL1,2954216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Lake Brownwood, TX1,2953334%
      Mabscott, WV1,295295490%
      Elton, LA1,2954510%
      Porcupine, SD1,2954412%
      Winthrop, MN1,296468%
      Onarga, IL1,2954216%
      Source: The Onarga, 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.