TODAY AUG19
TEMPERATURE65
HUMIDITY100
PRESSURE29.98
WIND COND.
  • 7967Mon40%80%
  • 7757Tue50%30%
  • 7655Wed
  • 7959Thu
  • 7863Fri
daynightWeather update from Joliet Regional Airport at

Preston Heights 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°F2.5"
February19°F36°F27°F2.8"
March31°F50°F39°F4.5"
April41°F63°F51°F4.9"
May50°F73°F61°F4.7"
June60°F83°F71°F5.4"
July64°F85°F74°F5.7"
August62°F83°F72°F6.8"
September55°F77°F65°F5.4"
October44°F64°F53°F5.7"
November33°F51°F41°F4.9"
December23°F37°F30°F3.7"

Did you know?

  • The highest monthly average temperature in Preston Heights for July is 74 degrees.
  • The lowest monthly average temperature in Preston Heights for January is 25 degrees.
  • The most monthly precipitation in Preston Heights occurs in August with 6.8 inches.
  • The air quality index in Preston Heights is 20% worse than the national average.
  • The pollution index in Preston Heights is 69% better than the national average.

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Compare Preston Heights, IL Weather To Other Cities

Preston Heights 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.
IndexPreston HeightsIllinoisNational
Air quality index604150
Pollution index1,558,0703,347,2955,066,862

Preston Heights 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

Preston Heights air quality information

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

Average monthly Preston Heights temperature with heat index

Preston Heights monthly precipitation with daily maximum

Preston Heights monthly snow depth with daily maximum

Preston Heights monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Channahon, IL12,329198%
Diamond, IL2,733198%
Oswego, IL33,245198%
Shorewood, IL16,539198%
Wilmington, IL6,010198%
Preston Heights, IL2,9166020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Hamilton, IL2,9164020%
Rineyville, KY2,9164314%
Walsenburg, CO2,9172256%
Drum Point, MD2,9173726%
North Boston, NY2,9154118%
Preston Heights, IL2,9166020%
Source: The Preston Heights, 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.