TODAY FEB25
TEMPERATURE28
HUMIDITY88
PRESSURE30.24
WIND COND.310 22.3
  • 3621Thu
  • 4129Fri60%
  • 4526Sat
  • 3617Sun
  • 3617Mon
daynightWeather update from Cedar Rapids, The Eastern Iowa Airport at

Key findings

  • The highest monthly average temperature in Marengo for July is 73 degrees
  • The lowest monthly average temperature in Marengo for January is 20 degrees
  • The most monthly precipitation in Marengo occurs in June with 7 inches
  • The air quality index in Marengo is 22% better than the national average
  • The pollution index in Marengo is equal to the national average

Compare Marengo, IA Weather

      vs
      How would you rate the weather in Marengo?
      Write a review to give others more information about this area.
      How would you rate the air quality in Marengo?
      Write a review to give others more information about this area.
      See all Marengo poll results

      Marengo 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°F29°F20°F0.8"
      February14°F32°F23°F1.0"
      March28°F48°F37°F2.1"
      April39°F63°F50°F4.6"
      May50°F73°F61°F3.9"
      June60°F81°F70°F7.0"
      July63°F84°F73°F4.8"
      August61°F82°F71°F4.7"
      September53°F76°F64°F4.0"
      October42°F63°F52°F3.1"
      November29°F49°F38°F2.1"
      December17°F33°F25°F1.9"

      Marengo 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.
      IndexMarengoIowaNational
      Air quality index393950
      Pollution index5,075,3801,643,8365,066,862

      Marengo air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality287
      Days with moderate air quality78
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Marengo air quality information

      PollutantTotal
      Arsenic0.070%
      Benzene0.050%
      Carbon Tetrachloride2.000%
      Lead0.040%
      Mercury0.100%

      Average monthly Marengo temperature with heat index

      Marengo monthly precipitation with daily maximum

      Marengo monthly snow depth with daily maximum

      Marengo monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Parnell, IA2063530%
      Williamsburg, IA3,1443530%
      Oxford, IA8743530%
      Keystone, IA6313922%
      Homestead, IA1783922%
      Marengo, IA2,9273922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Clarence, NY2,9273922%
      St. Clair, PA2,9274216%
      Hildale, UT2,9264412%
      Roosevelt Gardens, FL2,9284118%
      Acres Green, CO2,9265816%
      Marengo, IA2,9273922%
      Source: The Marengo, 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.