TODAY MAR28
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 5842Thu
  • 6651Fri50%
  • 6244Sat
  • 5850Sun50%80%
  • 6142Mon80%80%
daynightWeather update from Fort Madison Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Pontoosuc for July is 76.1 degrees
  • The lowest monthly average temperature in Pontoosuc for January is 25.2 degrees
  • The most monthly precipitation in Pontoosuc occurs in June with 5.5 inches
  • The air quality index in Pontoosuc is 31% better than the national average
  • The pollution index in Pontoosuc is 71% better than the national average

Compare Pontoosuc, IL Weather

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      Pontoosuc 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
      January17°F35°F25°F1.1"
      February20°F38°F28°F1.5"
      March33°F53°F41°F1.9"
      April43°F65°F53°F3.7"
      May53°F75°F64°F5.1"
      June63°F84°F73°F5.5"
      July66°F87°F76°F4.1"
      August64°F84°F74°F3.3"
      September56°F79°F67°F3.3"
      October45°F68°F55°F3.0"
      November33°F53°F42°F2.4"
      December23°F39°F31°F1.9"

      Pontoosuc 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.
      IndexPontoosucIllinoisNational
      Air quality index294142
      Pollution index802,1143,148,6942,726,193

      Pontoosuc air quality information

      MeasurementTotal
      Days measured120
      Days with good air quality101
      Days with moderate air quality19
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Pontoosuc air quality information

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

      Average monthly Pontoosuc temperature with heat index

      Pontoosuc monthly precipitation with daily maximum

      Pontoosuc monthly snow depth with daily maximum

      Pontoosuc monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      West Burlington, IA2,9092942.0%
      Montrose, IA8442942.0%
      Nauvoo, IL9482942.0%
      West Point, IA7352942.0%
      Carthage, IL2,4742942.0%
      Pontoosuc, IL1092942.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Eagle, AK1093824.0%
      Mud Bay, AK1092060.0%
      Standing Rock, AL1094216.0%
      Kohls Ranch, AZ1096020.0%
      Vilas, CO1092060.0%
      Pontoosuc, IL1092942.0%
      Source: The Pontoosuc, 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.