TODAY NOV21
TEMPERATURE33
HUMIDITY94
PRESSURE100580
WIND COND.290 31.7
  • 4530Fri
  • 4332Sat
  • 5137Sun
  • 4421Mon
  • 3622Tue
daynightWeather update from Rochelle, Rochelle Municipal-Koritz Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Oregon for July is 71.5 degrees
  • The lowest monthly average temperature in Oregon for January is 21.6 degrees
  • The most monthly precipitation in Oregon occurs in October with 7.1 inches
  • The air quality index in Oregon is equal to the national average
  • The pollution index in Oregon is 37% better than the national average

Compare Oregon, IL Weather

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      Oregon 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"

      Oregon 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.
      IndexOregonIllinoisNational
      Air quality index424142
      Pollution index1,721,0903,148,6942,726,193

      Oregon air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.001%
      Lead0.002%
      Mercury0.000%

      Average monthly Oregon temperature with heat index

      Oregon monthly precipitation with daily maximum

      Oregon monthly snow depth with daily maximum

      Oregon monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Hillcrest, IL1,6724216.0%
      Forreston, IL1,3924216.0%
      New Milford, IL1,3564216.0%
      Grand Detour, IL3514216.0%
      Adeline, IL994216.0%
      Oregon, IL3,7474216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Bishop, CA3,747476.0%
      Norwood Young America, MN3,746468.0%
      Fordyce, AR3,7483236.0%
      McGehee, AR3,7484314.0%
      St. Charles, MN3,7491570.0%
      Oregon, IL3,7474216.0%
      Source: The Oregon, 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.