Champaign, IL Weather

Champaign weather forecast

  • Temperature:59°F
  • Humidity:75%
  • Pressure:30.11inHg
  • Wind speed:9mph
  • Direction:North
  • Gusts:n/a

Update from Champaign / Urbana, University of Illinois-Willard, IL on 23 Jul 10:53 PM PDT

Forecasted weather

Overnight

Mostly Clear

53°F

Thursday

Sunny

76°F

Thursday Night

Mostly Clear

55°F

Friday

Chance Thunderstorms

81°F 30% POP

Friday Night

Chance Thunderstorms

66°F 50% POP

Saturday

Chance Thunderstorms

87°F 30% POP

Saturday Night

Thunderstorms Likely

69°F 60% POP

Sunday

Chance Thunderstorms

83°F

Sunday Night

Partly Cloudy

63°F

Monday

Mostly Sunny

74°F

Monday Night

Mostly Clear

56°F

Tuesday

Mostly Sunny

76°F

Tuesday Night

Partly Cloudy

58°F

Wednesday

Mostly Sunny

78°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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