TODAY JUL24
TEMPERATURE65
HUMIDITY98
PRESSURE101900
WIND COND.
  • 8867Wed40%
  • 8664Thu
  • 8464Fri
  • 8670Sat
  • 8872Sun
daynightWeather update from Jacksonville Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Exeter for July is 76.2 degrees
  • The lowest monthly average temperature in Exeter for January is 29 degrees
  • The most monthly precipitation in Exeter occurs in June with 8 inches
  • The air quality index in Exeter is 5% better than the national average
  • The pollution index in Exeter is 58% better than the national average

Compare Exeter, IL Weather

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      Exeter 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
      January21°F39°F29°F3.2"
      February22°F41°F31°F2.9"
      March35°F56°F44°F3.7"
      April44°F68°F55°F6.8"
      May55°F76°F65°F5.2"
      June64°F85°F74°F8.0"
      July66°F87°F76°F5.2"
      August64°F85°F74°F6.3"
      September57°F80°F68°F6.6"
      October46°F68°F56°F3.3"
      November36°F55°F45°F5.0"
      December26°F41°F33°F5.3"

      Exeter 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.
      IndexExeterIllinoisNational
      Air quality index404142
      Pollution index1,150,6703,148,6942,726,193

      Exeter air quality information

      MeasurementTotal
      Days measured360
      Days with good air quality287
      Days with moderate air quality73
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Exeter air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Exeter temperature with heat index

      Exeter monthly precipitation with daily maximum

      Exeter monthly snow depth with daily maximum

      Exeter monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Woodson, IL4934020.0%
      Chapin, IL5364020.0%
      South Jacksonville, IL3,1324020.0%
      Alsey, IL1754020.0%
      Murrayville, IL5824020.0%
      Exeter, IL724020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      New Blaine, AR723628.0%
      Seba Dalkai, AZ724510.0%
      Mabie, CA724412.0%
      Smeltertown, CO721668.0%
      Ranger, GA724314.0%
      Exeter, IL724020.0%
      Source: The Exeter, 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.