TODAY NOV22
TEMPERATURE38
HUMIDITY77
PRESSURE30.11
WIND COND.320 18.3
  • 3927Fri
  • 3827Sat20%
  • 4432Sun
  • 4834Mon
  • 4831Tue
daynightWeather update from Pontiac Municipal Airport at
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Cornell 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
January19°F35°F27°F3.7"
February20°F37°F28°F2.9"
March33°F52°F41°F4.7"
April42°F66°F53°F5.6"
May54°F76°F64°F6.5"
June63°F84°F73°F7.6"
July65°F85°F75°F10.4"
August62°F83°F72°F7.8"
September55°F79°F66°F7.6"
October44°F66°F54°F4.3"
November34°F53°F42°F5.5"
December24°F39°F31°F3.5"

Did you know?

  • The highest monthly average temperature in Cornell for July is 75 degrees.
  • The lowest monthly average temperature in Cornell for January is 27 degrees.
  • The most monthly precipitation in Cornell occurs in July with 10.4 inches.
  • The air quality index in Cornell is 98% better than the national average.
  • The pollution index in Cornell is 53% worse than the national average.

Compare Cornell, IL Weather To Other Cities

Cornell 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.
IndexCornellIllinoisNational
Air quality index14150
Pollution index7,745,2003,347,2955,066,862

Cornell air quality information

MeasurementTotal
Days measured351
Days with good air quality351
Days with moderate air quality
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Cornell air quality information

PollutantTotal
Arsenic0.030%
Benzene0.070%
Carbon Tetrachloride0.020%
Lead0.860%
Mercury0.210%

Average monthly Cornell temperature with heat index

Cornell monthly precipitation with daily maximum

Cornell monthly snow depth with daily maximum

Cornell monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Dana, IL121198%
Leonore, IL90198%
Ransom, IL347198%
Long Point, IL208198%
Streator, IL13,163198%
Cornell, IL358198%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Waldo, OH3583628%
Russellville, SC3581570%
Moline, KS3584412%
Dublin, NC3583040%
Miltona, MN3582942%
Cornell, IL358198%
Source: The Cornell, 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.
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