TODAY MAR19
TEMPERATURE30
HUMIDITY55
PRESSURE102410
WIND COND.290 9.4
  • 6435Tue
  • 5231Wed
  • 4737Thu
  • 5836Fri20%20%
  • 5438Sat
daynightWeather update from St. Louis Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Highland for July is 77.9 degrees
  • The lowest monthly average temperature in Highland for January is 31.8 degrees
  • The most monthly precipitation in Highland occurs in April with 10.2 inches
  • The air quality index in Highland is 28% worse than the national average
  • The pollution index in Highland is 76% better than the national average

Compare Highland, IL Weather

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      Highland 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°F42°F32°F5.6"
      February25°F45°F34°F3.8"
      March37°F59°F47°F7.1"
      April47°F70°F57°F10.2"
      May56°F77°F66°F8.9"
      June65°F87°F76°F9.2"
      July68°F89°F78°F8.0"
      August66°F88°F76°F7.8"
      September58°F82°F69°F8.4"
      October47°F70°F57°F8.6"
      November36°F57°F46°F6.9"
      December28°F45°F36°F8.2"

      Highland 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.
      IndexHighlandIllinoisNational
      Air quality index544142
      Pollution index647,2803,148,6942,726,193

      Highland air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality134
      Days with moderate air quality221
      Days w/ poor A.Q. for sensitive groups8
      Days with unhealthy air quality2

      Highland air quality information

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

      Average monthly Highland temperature with heat index

      Highland monthly precipitation with daily maximum

      Highland monthly snow depth with daily maximum

      Highland monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Beckemeyer, IL1,0544314.0%
      Breese, IL4,1604314.0%
      Germantown, IL1,2794314.0%
      Bartelso, IL7894314.0%
      Worden, IL875548.0%
      Highland, IL10,122548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Orange Cove, CA10,1206632.0%
      Rotonda, FL10,1173628.0%
      Fountain Inn, SC10,127468.0%
      Linthicum, MD10,116468.0%
      Saint-Hippolyte, QC10,115n/a 
      Highland, IL10,122548.0%
      Source: The Highland, 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.