Champaign, IL Weather

Champaign weather forecast

  • Temperature:56°F
  • Humidity:87%
  • Pressure:30.10inHg
  • Wind speed:5mph
  • Direction:South
  • Gusts:n/a

Update from Champaign / Urbana, University of Illinois-Willard, IL on 18 Sep 5:53 AM PDT

Forecasted weather

Today

Sunny

71°F

Tonight

Mostly Clear

47°F

Friday

Sunny

75°F

Friday Night

Mostly Clear

58°F

Saturday

Mostly Sunny

81°F

Saturday Night

Thunderstorms Likely

64°F 60% POP

Sunday

Mostly Sunny

77°F

Sunday Night

Mostly Clear

53°F

Monday

Mostly Sunny

70°F

Monday Night

Partly Cloudy

48°F

Tuesday

Sunny

69°F

Tuesday Night

Mostly Clear

47°F

Wednesday

Sunny

70°F

Champaign average temperature

MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January-18°F66°F28°F2.7"
February-9°F63°F28°F2.0"
March9°F81°F41°F2.7"
April21°F90°F52°F3.8"
May28°F96°F63°F3.2"
June48°F95°F73°F3.8"
July43°F95°F73°F4.9"
August44°F95°F73°F2.6"
September37°F95°F66°F3.0"
October25°F93°F54°F3.9"
November12°F75°F42°F2.9"
December-5°F63°F29°F2.9"
In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.

The highest average temperature in Champaign is June at 72.9 degrees. The coldest average temperature in Champaign is February at 27.8 degrees. The most monthly precipitation in Champaign occurs in July with 4.9 inches. The Champaign weather information is based on the average of the previous 3-7 years of data.

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Champaign air quality index & pollution index

IndexChampaignIllinoisNational
Air quality index323537
Pollution index1,494,1604,368,3906,623,939
In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
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The Champaign, IL air quality index is a median value which considers the most hazardous air pollutants. The Champaign, IL air quality index is 7.6% less than the Illinois average and 13.5% less than the national average.

The Champaign, IL pollution index is the sum of the most hazardous air pollutants displayed in pounds. The Champaign, IL pollution index is 65.8% less than the Illinois average and 77.4% less than the national average.

Air quality information

MeasurementTotal
Days measured335
Days with good air quality300
Days with moderate air quality35
Days w/ poor A.Q. for sensitive groups0
Days with unhealthy air quality0

Air pollution information

PollutantTotal
Arsenic0.010%
Benzene0.040%
Carbon Tetrachloride0.290%
Lead0.010%
Mercury0.010%

Average monthly Champaign temperature with heat index

Champaign monthly precipitation with daily maximum

Champaign monthly snow depth with daily maximum

Champaign monthly wind speed information

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Cities near Champaign, IL

CityMilesCityMiles
Champaign, IL0Sidney, IL11.7
Urbana, IL3St. Joseph, IL11.8
Savoy, IL3.5Rantoul, IL14.4
Lake of the Woods, IL8.3Fisher, IL14.8
Tolono, IL8.8Homer, IL16.9
Mahomet, IL9.2Monticello, IL17.5
Philo, IL9.3Villa Grove, IL18
Thomasboro, IL9.7Bement, IL21.1
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