TODAY AUG19
TEMPERATURE81
HUMIDITY59
PRESSURE29.99
WIND COND.40 8.1
  • 8465Sun
  • 8066Mon30%80%
  • 7757Tue60%20%
  • 7755Wed
  • 7958Thu
daynightWeather update from Greater Kankakee Airport at

Grant Park 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
January18°F34°F25°F3.2"
February19°F36°F27°F2.6"
March32°F51°F40°F3.2"
April41°F64°F51°F5.2"
May51°F74°F62°F5.3"
June61°F83°F71°F9.7"
July64°F86°F74°F5.3"
August62°F84°F73°F9.8"
September55°F79°F66°F6.1"
October44°F65°F54°F7.0"
November34°F52°F42°F3.8"
December24°F38°F31°F3.7"

Did you know?

  • The highest monthly average temperature in Grant Park for July is 74 degrees.
  • The lowest monthly average temperature in Grant Park for January is 25 degrees.
  • The most monthly precipitation in Grant Park occurs in August with 9.8 inches.
  • The air quality index in Grant Park is 20% worse than the national average.
  • The pollution index in Grant Park is 21% better than the national average.

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Compare Grant Park, IL Weather To Other Cities

Grant Park 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.
IndexGrant ParkIllinoisNational
Air quality index604150
Pollution index3,962,3603,347,2955,066,862

Grant Park air quality information

MeasurementTotal
Days measured365
Days with good air quality72
Days with moderate air quality281
Days w/ poor A.Q. for sensitive groups11
Days with unhealthy air quality1

Grant Park air quality information

PollutantTotal
Arsenic0.002%
Benzene0.070%
Carbon Tetrachloride0.020%
Lead0.300%
Mercury0.110%

Average monthly Grant Park temperature with heat index

Grant Park monthly precipitation with daily maximum

Grant Park monthly snow depth with daily maximum

Grant Park monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Sammons Point, IL346198%
Lake Village, IN7693138%
Lake Dalecarlia, IN1,5083138%
Aroma Park, IL6756020%
Crete, IL8,2156020%
Grant Park, IL1,2726020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Vienna Bend, LA1,272435770%
Lubeck, WV1,2723334%
Laurens, IA1,2724118%
Enfield, NH1,2723432%
Loyal, WI1,2733628%
Grant Park, IL1,2726020%
Source: The Grant Park, 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.