TODAY AUG22
TEMPERATURE75
HUMIDITY67
PRESSURE29.91
WIND COND.360 12.8
  • 8267Thu20%40%
  • 8265Fri30%30%
  • 8563Sat
  • 8566Sun
  • 8164Mon
daynightWeather update from Lewis University Airport at

Crest Hill 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
January17°F32°F24°F3.1"
February18°F34°F26°F3.0"
March31°F49°F39°F5.2"
April40°F62°F50°F4.8"
May51°F73°F61°F5.9"
June60°F82°F70°F6.7"
July64°F84°F73°F4.1"
August62°F82°F71°F7.7"
September55°F76°F65°F3.2"
October44°F64°F53°F7.3"
November33°F50°F41°F3.9"
December22°F36°F29°F3.7"

Did you know?

  • The highest monthly average temperature in Crest Hill for July is 73 degrees.
  • The lowest monthly average temperature in Crest Hill for January is 24 degrees.
  • The most monthly precipitation in Crest Hill occurs in August with 7.7 inches.
  • The air quality index in Crest Hill is 20% worse than the national average.
  • The pollution index in Crest Hill is 69% better than the national average.

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Compare Crest Hill, IL Weather To Other Cities

Crest Hill 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.
IndexCrest HillIllinoisNational
Air quality index604150
Pollution index1,558,0703,347,2955,066,862

Crest Hill 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

Crest Hill air quality information

PollutantTotal
Arsenic0.010%
Benzene0.010%
Carbon Tetrachloride0.070%
Lead0.090%
Mercury0.010%

Average monthly Crest Hill temperature with heat index

Crest Hill monthly precipitation with daily maximum

Crest Hill monthly snow depth with daily maximum

Crest Hill monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Minooka, IL11,786198%
Montgomery, IL19,055198%
Channahon, IL12,329198%
Elwood, IL2,144198%
Oswego, IL33,245198%
Crest Hill, IL20,3166020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Lexington, SC20,3154216%
Parma Heights, OH20,3115510%
Mililani Mauka, HI20,3223040%
Schofield Barracks, HI20,3303040%
Hauppauge, NY20,301476%
Crest Hill, IL20,3166020%
Source: The Crest Hill, 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.