Champaign weather live forecast

Today's maximum temperature in Champaign is expected to be 88°F. Select a day from the live weather forecast for Champaign, Illinois, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Thursday 18th September 2025 GMT

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The 5-day weather forecast for Illinois (Champaign) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Champaign weather forecast by day

Below are the detailed weather forecasts for Champaign for the next 5 days.

Champaign weather for Wednesday 17th September 2025

Expect clear skies in Champaign, Illinois with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the north-east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 2 mph from the North-East2
    mph wind from NE

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Champaign weather for Thursday 18th September 2025

Expect clear skies in Champaign, Illinois with a maximum temperature of 91°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the south-east.

  • 91°F maximum temperature91
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 2 mph from the South-East2
    mph wind from SE

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Champaign weather for Friday 19th September 2025

Expect isolated thunderstorms in Champaign, Illinois with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 14% chance of some rain and little or no wind of 3 mph from the south.

  • 88°F maximum temperature88
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 14% chance of some rain14
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 3 mph from the South3
    mph wind from S

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Champaign weather for Saturday 20th September 2025

Expect isolated thunderstorms in Champaign, Illinois with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and little or no wind of 3 mph from the south.

  • 84°F maximum temperature84
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 35% chance of some rain35
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 3 mph from the South3
    mph wind from S

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Champaign weather for Sunday 21st September 2025

Expect isolated thunderstorms in Champaign, Illinois with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a light breeze of 6 mph from the south.

  • 79°F maximum temperature79
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 62% chance of some rain62
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 6 mph from the South6
    mph wind from S

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  • FREE child places available for select holidays
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