TODAY MAR29
TEMPERATURE47
HUMIDITY66
PRESSURE101560
WIND COND.350 33.5
  • 7156Fri
  • 7557Sat30%
  • 7764Sun20%20%
  • 7656Mon
  • 6739Tue
daynightWeather update from Harrisburg-Raleigh Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Raleigh for July is 76.9 degrees
  • The lowest monthly average temperature in Raleigh for January is 34.2 degrees
  • The most monthly precipitation in Raleigh occurs in April with 10.6 inches
  • The air quality index in Raleigh is 2% worse than the national average
  • The pollution index in Raleigh is 95% better than the national average

Compare Raleigh, IL Weather

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      Raleigh 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
      January27°F43°F34°F5.0"
      February28°F46°F36°F4.8"
      March39°F59°F48°F4.5"
      April48°F70°F58°F10.6"
      May57°F78°F67°F6.0"
      June66°F87°F76°F7.6"
      July67°F88°F77°F6.8"
      August65°F87°F76°F5.4"
      September58°F82°F69°F6.5"
      October47°F71°F58°F3.5"
      November37°F58°F47°F6.2"
      December31°F47°F38°F8.9"

      Raleigh 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.
      IndexRaleighIllinoisNational
      Air quality index434142
      Pollution index125,3593,148,6942,726,193

      Raleigh air quality information

      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

      Raleigh air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.003%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Raleigh temperature with heat index

      Raleigh monthly precipitation with daily maximum

      Raleigh monthly snow depth with daily maximum

      Raleigh monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Muddy, IL384314.0%
      Thompsonville, IL5274314.0%
      Eldorado, IL4,0004314.0%
      Broughton, IL1164314.0%
      Galatia, IL1,0954314.0%
      Raleigh, IL2684314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Coldfoot, AK2683824.0%
      Tonalea, AZ2684510.0%
      Cincinnati, IA2683922.0%
      Elk City, KS2683824.0%
      Mahnomen CDP, MN2683334.0%
      Raleigh, IL2684314.0%
      Source: The Raleigh, 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.