TODAY NOV07
TEMPERATURE37
HUMIDITY96
PRESSURE102710
WIND COND.20 9.4
  • 6044Fri
  • 5749Sat40%30%
  • 6044Sun
  • 6445
  • 6654Tue30%
daynightWeather update from Quincy Regional Airport-Baldwin Field at
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Weather Quick Facts

  • The highest monthly average temperature in Quincy for July is 75.9 degrees
  • The lowest monthly average temperature in Quincy for January is 27.5 degrees
  • The most monthly precipitation in Quincy occurs in June with 6 inches
  • The air quality index in Quincy is 3% better than the national average
  • The pollution index in Quincy is 84% better than the national average

Compare Quincy, IL Weather

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      Quincy 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
      January20°F37°F28°F2.1"
      February21°F38°F29°F2.0"
      March34°F54°F43°F3.0"
      April44°F66°F55°F4.3"
      May54°F74°F63°F3.7"
      June64°F84°F74°F6.0"
      July66°F86°F76°F4.5"
      August66°F86°F75°F4.2"
      September57°F79°F67°F4.3"
      October45°F64°F54°F3.9"
      November36°F54°F44°F2.7"
      December23°F38°F29°F2.4"

      Quincy 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.
      IndexQuincyIllinoisNational
      Air quality index414142
      Pollution index425,2183,148,6942,726,193

      Quincy air quality

      MeasurementTotal
      Days measured241
      Days with good air quality208
      Days with moderate air quality33
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.001%
      Mercury0.000%

      Average monthly Quincy temperature with heat index

      Quincy monthly precipitation with daily maximum

      Quincy monthly snow depth with daily maximum

      Quincy monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mendon, IL1,0924118.0%
      Canton, MO2,4554118.0%
      Payson, IL1,3984118.0%
      Ursa, IL5414118.0%
      Columbus, IL804118.0%
      Quincy, IL40,1114118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      San Gabriel, CA40,1087244.0%
      Hollister, CA40,1003726.0%
      Cape Girardeau, MO40,1004412.0%
      Spanish Fork, UT40,069468.0%
      Holyoke, MA40,1614020.0%
      Quincy, IL40,1114118.0%
      Source: The Quincy, 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.