TODAY MAY28
TEMPERATURE72
HUMIDITY76
PRESSURE29.89
WIND COND.150 13.9
  • 7861Thu40%70%
  • 7352Fri50%
  • 7155Sat
  • 7152Sun
  • 7360Mon
daynightWeather update from Decatur Airport at
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Westervelt 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
January24°F38°F31°F6.8"
February23°F37°F29°F3.4"
March35°F56°F45°F3.0"
April43°F65°F54°F4.2"
May54°F78°F66°F3.1"
June64°F86°F75°F8.1"
July65°F86°F76°F4.0"
August68°F89°F78°F3.9"
September59°F85°F72°F7.7"
October49°F71°F60°F7.1"
November37°F56°F45°F6.1"
December24°F37°F30°F2.5"

Did you know?

  • The highest monthly average temperature in Westervelt for August is 78 degrees.
  • The lowest monthly average temperature in Westervelt for February is 29 degrees.
  • The most monthly precipitation in Westervelt occurs in June with 8.1 inches.
  • The air quality index in Westervelt is 22% better than the national average.
  • The pollution index in Westervelt is 53% better than the national average.

Compare Westervelt, IL Weather To Other Cities

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      Westervelt 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.
      IndexWesterveltIllinoisNational
      Air quality index394150
      Pollution index2,357,2803,347,2955,066,862

      Westervelt air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality293
      Days with moderate air quality72
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Westervelt air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.030%
      Carbon Tetrachloride0.004%
      Lead0.010%
      Mercury0.000%

      Average monthly Westervelt temperature with heat index

      Westervelt monthly precipitation with daily maximum

      Westervelt monthly snow depth with daily maximum

      Westervelt monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Oconee, IL1833726%
      Strasburg, IL5013726%
      Windsor, IL1,4603726%
      Shelbyville, IL5,1473726%
      Tower Hill, IL5993726%
      Westervelt, IL1023922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Capron, VA1023922%
      Colony, OK1024216%
      Robeline, LA102435770%
      Maysville, AR1023922%
      Ebro, MN1023530%
      Westervelt, IL1023922%
      Source: The Westervelt, 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.