TODAY OCT10
TEMPERATURE75
HUMIDITY36
PRESSURE102000
WIND COND.150 13
  • 8144Fri
  • 6842Sat
  • 6033Sun
  • 5526
  • 5730Tue
daynightWeather update from Charles City at
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Weather Quick Facts

  • The highest monthly average temperature in Osage for July is 72.5 degrees
  • The lowest monthly average temperature in Osage for January is 18.5 degrees
  • The most monthly precipitation in Osage occurs in June with 6 inches
  • The air quality index in Osage is 64% better than the national average
  • The pollution index in Osage is 52% better than the national average

Compare Osage, IA Weather

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      Osage 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
      January12°F26°F18°F0.5"
      February13°F29°F20°F0.6"
      March29°F44°F35°F1.4"
      April40°F60°F48°F3.0"
      May50°F71°F60°F3.0"
      June60°F80°F69°F6.0"
      July63°F82°F72°F4.7"
      August61°F80°F70°F4.2"
      September53°F75°F63°F5.0"
      October42°F61°F50°F2.3"
      November30°F46°F37°F1.1"
      December16°F30°F23°F1.4"

      Osage 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.
      IndexOsageIowaNational
      Air quality index153942
      Pollution index1,320,0501,154,5352,726,193

      Osage air quality

      MeasurementTotal
      Days measured118
      Days with good air quality118
      Days with moderate air quality0
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.040%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.010%

      Average monthly Osage temperature with heat index

      Osage monthly precipitation with daily maximum

      Osage monthly snow depth with daily maximum

      Osage monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Carpenter, IA1061570.0%
      Mitchell, IA1421570.0%
      Otranto, IA01570.0%
      Toeterville, IA501570.0%
      Colwell, IA601570.0%
      Osage, IA3,5491570.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lake of Bays, ON3,549n/a 
      Calcium, NY3,5483530.0%
      State Line, PA3,5484020.0%
      Forty Mile County No. 8, AB3,548n/a 
      Piedmont, MO3,550548.0%
      Osage, IA3,5491570.0%
      Source: The Osage, IA 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.