TODAY NOV24
TEMPERATURE65
HUMIDITY39
PRESSURE101120
WIND COND.180 13
  • 6029Mon30%
  • 4533Tue
  • 4734Wed60%
  • 4122
  • 3517Fri
daynightWeather update from Olney-Noble Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Willow Hill for July is 75.9 degrees
  • The lowest monthly average temperature in Willow Hill for January is 31 degrees
  • The most monthly precipitation in Willow Hill occurs in April with 7.6 inches
  • The air quality index in Willow Hill is 5% better than the national average
  • The pollution index in Willow Hill is 79% better than the national average

Compare Willow Hill, IL Weather

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      Willow Hill 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
      January23°F40°F31°F5.3"
      February24°F43°F33°F3.4"
      March36°F57°F45°F4.0"
      April46°F69°F56°F7.6"
      May56°F77°F66°F6.3"
      June64°F86°F75°F6.7"
      July66°F87°F76°F5.7"
      August63°F86°F74°F4.9"
      September56°F82°F67°F5.9"
      October46°F70°F57°F5.6"
      November35°F56°F44°F5.6"
      December28°F44°F35°F4.9"

      Willow Hill 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.
      IndexWillow HillIllinoisNational
      Air quality index404142
      Pollution index583,0293,148,6942,726,193

      Willow Hill air quality

      MeasurementTotal
      Days measured245
      Days with good air quality224
      Days with moderate air quality21
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Willow Hill temperature with heat index

      Willow Hill monthly precipitation with daily maximum

      Willow Hill monthly snow depth with daily maximum

      Willow Hill monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Stoy, IL1463628.0%
      Oblong, IL1,5203628.0%
      Ste. Marie, IL3584020.0%
      Jewett, IL2814020.0%
      Rose Hill, IL834020.0%
      Willow Hill, IL2664020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Mentasta Lake, AK2663824.0%
      Cassel, CA2664216.0%
      Hiouchi, CA2662060.0%
      Pineland, FL2663628.0%
      Secor, IL2664412.0%
      Willow Hill, IL2664020.0%
      Source: The Willow Hill, 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.