TODAY OCT15
TEMPERATURE49
HUMIDITY
PRESSURE30.19
WIND COND.300 12.8
  • 5434Tue
  • 4730Wed
  • 5238Thu
  • 5540Fri
  • 4930Sat
daynightWeather update from Chicago / Wheeling, Pal-Waukee Airport at
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Cary Average Temperature

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°F33°F25°F1.1"
February19°F34°F26°F1.4"
March30°F48°F38°F1.8"
April39°F60°F49°F2.7"
May49°F71°F60°F3.6"
June60°F81°F69°F4.7"
July65°F85°F74°F4.0"
August64°F83°F73°F4.4"
September56°F76°F66°F2.7"
October45°F64°F54°F3.2"
November34°F50°F42°F1.7"
December23°F37°F30°F2.0"

Did you know?

  • The highest monthly average temperature in Cary for July is 74 degrees.
  • The lowest monthly average temperature in Cary for January is 25 degrees.
  • The most monthly precipitation in Cary occurs in June with 4.7 inches.
  • The air quality index in Cary is 20% worse than the national average.
  • The pollution index in Cary is 89% better than the national average.

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Cary 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.
IndexCaryIllinoisNational
Air quality index604150
Pollution index543,5163,347,2955,066,862

Cary 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

Cary air quality information

PollutantTotal
Arsenic0.000%
Benzene0.004%
Carbon Tetrachloride0.000%
Lead0.000%
Mercury0.000%

Average monthly Cary temperature with heat index

Cary monthly precipitation with daily maximum

Cary monthly snow depth with daily maximum

Cary monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Algonquin, IL30,4133138%
Crystal Lake, IL40,4753138%
Woodstock, IL25,2323138%
Lakewood, IL4,1113138%
Pingree Grove, IL5,9833138%
Cary, IL17,9466020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Huntington, NY17,942476%
Lenoir, NC17,9563824%
Menasha, WI17,9303824%
St. Matthews, KY17,9305510%
Logansport, IN17,9243236%
Cary, IL17,9466020%
Source: The Cary, 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.