TODAY JUN02
TEMPERATURE75
HUMIDITY37
PRESSURE29.99
WIND COND.180 16.1
  • 9070Tue
  • 8461Wed40%60%
  • 8466Thu20%20%
  • 8563Fri
  • 7759Sat
daynightWeather update from Chicago, Chicago Midway Airport at
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Posen 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°F26°F4.5"
February19°F35°F27°F3.6"
March31°F49°F39°F4.4"
April40°F62°F50°F5.4"
May50°F72°F60°F6.5"
June60°F81°F70°F5.8"
July64°F84°F74°F8.0"
August63°F82°F72°F7.5"
September56°F76°F65°F5.4"
October45°F64°F54°F6.2"
November33°F51°F42°F5.4"
December24°F38°F31°F3.8"

Did you know?

  • The highest monthly average temperature in Posen for July is 74 degrees.
  • The lowest monthly average temperature in Posen for January is 26 degrees.
  • The most monthly precipitation in Posen occurs in July with 8 inches.
  • The air quality index in Posen is 21% worse than the national average.
  • The pollution index in Posen is 69% better than the national average.

Compare Posen, IL Weather To Other Cities

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      Posen 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.
      IndexPosenIllinoisNational
      Air quality index604150
      Pollution index1,558,0703,347,2955,066,862

      Posen air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality72
      Days with moderate air quality281
      Days w/ poor A.Q. for sensitive groups11
      Days with unhealthy air quality1

      Posen air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.010%
      Carbon Tetrachloride0.070%
      Lead0.090%
      Mercury0.010%

      Average monthly Posen temperature with heat index

      Posen monthly precipitation with daily maximum

      Posen monthly snow depth with daily maximum

      Posen monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Alsip, IL19,3356020%
      Bridgeview, IL16,3816020%
      Burr Ridge, IL10,7366020%
      Chicago Ridge, IL14,3686020%
      Countryside, IL5,9656020%
      Posen, IL6,2516020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Margate City, NJ6,2503628%
      Lovejoy, GA6,252524%
      South Monroe, MI6,254688%
      Pacific, MO6,2466020%
      Walker, LA6,256468%
      Posen, IL6,2516020%
      Source: The Posen, 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.