TODAY APR26
TEMPERATURE46
HUMIDITY61
PRESSURE101290
WIND COND.140 22.3
  • 7657Sat80%
  • 7155Sun100%100%
  • 6646Mon50%20%
  • 7550Tue50%
  • 7248Wed40%40%
daynightWeather update from Decorah at
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Weather Quick Facts

  • The highest monthly average temperature in Elgin for July is 73 degrees
  • The lowest monthly average temperature in Elgin for January is 19.3 degrees
  • The most monthly precipitation in Elgin occurs in June with 4.3 inches
  • The air quality index in Elgin is 7% better than the national average
  • The pollution index in Elgin is 30% better than the national average

Compare Elgin, IA Weather

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      Elgin 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
      January13°F27°F19°F0.5"
      February14°F29°F21°F0.4"
      March29°F45°F36°F1.5"
      April40°F59°F48°F3.4"
      May50°F70°F60°F2.9"
      June61°F79°F69°F4.3"
      July65°F82°F73°F3.9"
      August62°F79°F70°F4.0"
      September54°F73°F63°F3.4"
      October43°F61°F51°F3.0"
      November31°F47°F38°F1.0"
      December18°F31°F24°F0.9"

      Elgin 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.
      IndexElginIowaNational
      Air quality index393942
      Pollution index1,904,1201,154,5352,726,193

      Elgin air quality information

      MeasurementTotal
      Days measured363
      Days with good air quality286
      Days with moderate air quality77
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Elgin air quality information

      PollutantTotal
      Arsenic0.040%
      Benzene0.020%
      Carbon Tetrachloride0.001%
      Lead0.010%
      Mercury0.050%

      Average monthly Elgin temperature with heat index

      Elgin monthly precipitation with daily maximum

      Elgin monthly snow depth with daily maximum

      Elgin monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Monona, IA1,6392942.0%
      St. Olaf, IA1282942.0%
      Elkader, IA1,3622942.0%
      Farmersburg, IA3712942.0%
      Castalia, IA1693530.0%
      Elgin, IA6383922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Mountain Park city, GA638524.0%
      Oretta, LA6384510.0%
      Lake Benton, MN6384216.0%
      Alton, MO6383628.0%
      Warner, NH6382746.0%
      Elgin, IA6383922.0%
      Source: The Elgin, 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.