TODAY AUG17
TEMPERATURE71
HUMIDITY93
PRESSURE29.99
WIND COND.350 11.4
  • 8563Sat
  • 8465Sun20%
  • 7560Mon70%70%
  • 7655Tue20%20%
  • 7856Wed
daynightWeather update from Cedar Rapids, The Eastern Iowa Airport at

Marion Average Weather

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"

Did you know?

  • The highest monthly average temperature in Marion for July is 73 degrees.
  • The lowest monthly average temperature in Marion for January is 20 degrees.
  • The most monthly precipitation in Marion occurs in June with 7 inches.
  • The air quality index in Marion is 15% better than the national average.
  • The pollution index in Marion is 0% worse than the national average.

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Compare Marion, IA Weather To Other Cities

Marion 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.
IndexMarionIowaNational
Air quality index423950
Pollution index5,075,3801,643,8365,066,862

Marion air quality information

MeasurementTotal
Days measured365
Days with good air quality256
Days with moderate air quality108
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Marion air quality information

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

Average monthly Marion temperature with heat index

Marion monthly precipitation with daily maximum

Marion monthly snow depth with daily maximum

Marion monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bertram, IA3414216%
Ely, IA2,1334216%
Martelle, IA2664216%
Robins, IA3,4344216%
Stone City, IA2884216%
Marion, IA37,1984216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Mechanicsville, VA37,2013922%
Addison, IL37,1926020%
East Meadow, NY37,228536%
Lincoln Park, MI37,155524%
Calumet City, IL37,1126020%
Marion, IA37,1984216%
Source: The Marion, 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.