TODAY NOV23
TEMPERATURE37
HUMIDITY78
PRESSURE101660
WIND COND. 7.6
  • 4433Sat
  • 4839Sun
  • 4421Mon20%
  • 3322Tue
  • 3523Wed
daynightWeather update from Madison, Dane County Regional-Truax Field at
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Weather Quick Facts

  • The highest monthly average temperature in Cottage Grove for July is 73.1 degrees
  • The lowest monthly average temperature in Cottage Grove for January is 20.4 degrees
  • The most monthly precipitation in Cottage Grove occurs in June with 5.9 inches
  • The air quality index in Cottage Grove is 7% better than the national average
  • The pollution index in Cottage Grove is 37% better than the national average

Compare Cottage Grove, WI Weather

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      Cottage Grove 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
      January11°F30°F20°F1.5"
      February13°F33°F23°F1.5"
      March24°F47°F35°F2.6"
      April35°F61°F48°F4.4"
      May46°F73°F59°F4.0"
      June57°F81°F69°F5.9"
      July60°F85°F73°F4.9"
      August59°F83°F71°F4.8"
      September51°F77°F63°F3.5"
      October40°F63°F51°F3.2"
      November28°F49°F38°F2.1"
      December17°F34°F25°F2.3"

      Cottage Grove 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.
      IndexCottage GroveWisconsinNational
      Air quality index396942
      Pollution index1,728,8202,842,4182,726,193

      Cottage Grove air quality

      MeasurementTotal
      Days measured365
      Days with good air quality285
      Days with moderate air quality80
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.003%
      Benzene0.030%
      Carbon Tetrachloride0.001%
      Lead0.001%
      Mercury0.002%

      Average monthly Cottage Grove temperature with heat index

      Cottage Grove monthly precipitation with daily maximum

      Cottage Grove monthly snow depth with daily maximum

      Cottage Grove monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lake Mills, WI5,9363726.0%
      Waterloo, WI3,3343726.0%
      Lake Ripley, WI1,9273726.0%
      Cambridge, WI1,2603726.0%
      Marshall, WI3,9753726.0%
      Cottage Grove, WI7,0863922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Huron, CA7,0845612.0%
      Rockville, CT7,0844118.0%
      Unionville, NC7,089492.0%
      East Shoreham, NY7,0904314.0%
      Lakes of the Four Seasons, IN7,0813726.0%
      Cottage Grove, WI7,0863922.0%
      Source: The Cottage Grove, WI 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.