TODAY AUG21
TEMPERATURE80
HUMIDITY71
PRESSURE29.71
WIND COND.190 12.8
  • 8056Tue40%
  • 7956Wed
  • 8062Thu
  • 7866Fri60%50%
  • 8871Sat
daynightWeather update from Moline, Quad-City Airport at

Rock Island Arsenal 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
January15°F34°F24°F1.5"
February16°F37°F26°F1.9"
March29°F53°F40°F2.8"
April39°F66°F52°F3.9"
May49°F76°F63°F4.3"
June60°F85°F73°F6.0"
July64°F88°F76°F5.3"
August62°F86°F73°F4.9"
September54°F81°F66°F3.4"
October42°F68°F54°F3.2"
November31°F54°F42°F2.1"
December19°F37°F28°F2.6"

Did you know?

  • The highest monthly average temperature in Rock Island Arsenal for July is 76 degrees.
  • The lowest monthly average temperature in Rock Island Arsenal for January is 24 degrees.
  • The most monthly precipitation in Rock Island Arsenal occurs in June with 6 inches.
  • The air quality index in Rock Island Arsenal is 10% worse than the national average.
  • The pollution index in Rock Island Arsenal is 65% better than the national average.

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Compare Rock Island Arsenal, IL Weather To Other Cities

Rock Island Arsenal 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.
IndexRock Island ArsenalIllinoisNational
Air quality index554150
Pollution index1,753,5903,347,2955,066,862

Rock Island Arsenal air quality information

MeasurementTotal
Days measured365
Days with good air quality137
Days with moderate air quality225
Days w/ poor A.Q. for sensitive groups3
Days with unhealthy air quality

Rock Island Arsenal air quality information

PollutantTotal
Arsenic0.010%
Benzene0.070%
Carbon Tetrachloride0.000%
Lead0.010%
Mercury0.001%

Average monthly Rock Island Arsenal temperature with heat index

Rock Island Arsenal monthly precipitation with daily maximum

Rock Island Arsenal monthly snow depth with daily maximum

Rock Island Arsenal monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Princeton, IA1,100536%
Cordova, IL645536%
Buffalo, IA1,2265510%
Le Claire, IA3,9315510%
Park View, IA2,7185510%
Rock Island Arsenal, IL1195510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Eldora, CO1194216%
Kennan, WI1193628%
Alamillo, NM119512%
Clearmont, WY1193628%
Dotyville, OK1193726%
Rock Island Arsenal, IL1195510%
Source: The Rock Island Arsenal, IL 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.