TODAY MAY10
TEMPERATURE68
HUMIDITY47
PRESSURE101190
WIND COND.280 24.1
  • 7047Sat
  • 7959Sun20%
  • 7252Mon30%80%
  • 6447Tue
  • 7150Wed
daynightWeather update from Greater Kankakee Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Herscher for July is 74.5 degrees
  • The lowest monthly average temperature in Herscher for January is 25.5 degrees
  • The most monthly precipitation in Herscher occurs in August with 9.8 inches
  • The air quality index in Herscher is 100% better than the national average
  • The pollution index in Herscher is 36% better than the national average

Compare Herscher, IL Weather

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      Herscher 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
      January18°F34°F25°F3.2"
      February19°F36°F27°F2.6"
      March32°F51°F40°F3.2"
      April41°F64°F51°F5.2"
      May51°F74°F62°F5.3"
      June61°F83°F71°F9.7"
      July64°F86°F74°F5.3"
      August62°F84°F73°F9.8"
      September55°F79°F66°F6.1"
      October44°F65°F54°F7.0"
      November34°F52°F42°F3.8"
      December24°F38°F31°F3.7"

      Herscher 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.
      IndexHerscherIllinoisNational
      Air quality index04142
      Pollution index1,736,9303,148,6942,726,193

      Herscher air quality information

      MeasurementTotal
      Days measured335
      Days with good air quality334
      Days with moderate air quality1
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Herscher air quality information

      PollutantTotal
      Arsenic0.004%
      Benzene0.040%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.001%

      Average monthly Herscher temperature with heat index

      Herscher monthly precipitation with daily maximum

      Herscher monthly snow depth with daily maximum

      Herscher monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      East Brooklyn, IL570100.0%
      Limestone, IL1,5360100.0%
      Kempton, IL3170100.0%
      Chebanse, IL1,2080100.0%
      Bonfield, IL5860100.0%
      Herscher, IL1,4890100.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Ness City, KS1,4891570.0%
      Thompson Falls, MT1,4893726.0%
      La Huerta, NM1,489476.0%
      Greenwich, OH1,4894118.0%
      New Fairview, TX1,489512.0%
      Herscher, IL1,4890100.0%
      Source: The Herscher, 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.