Chicago weather live forecast

Today's maximum temperature in Chicago is expected to be 21°C. Select a day from the live weather forecast for Chicago, Illinois, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Monday 8th September 2025 GMT

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

Chicago weather forecast by day

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

Chicago weather for Monday 8th September 2025

Expect clear skies in Chicago, Illinois with a maximum temperature of 21°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south.

  • 21°C maximum temperature21
    °C maximum temperature
  • 12°C minimum temperature12
    °C 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
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 kph from the South7
    kph wind from S

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Chicago weather for Tuesday 9th September 2025

Expect broken clouds in Chicago, Illinois with a maximum temperature of 23°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

  • 23°C maximum temperature23
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Light breeze of 8 kph from the South8
    kph wind from S

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Chicago weather for Wednesday 10th September 2025

Expect broken clouds in Chicago, Illinois with a maximum temperature of 25°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south.

  • 25°C maximum temperature25
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 5 kph from the South5
    kph wind from S

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Chicago weather for Thursday 11th September 2025

Expect scattered clouds in Chicago, Illinois with a maximum temperature of 26°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 26°C wind chill26
    °C wind chill
  • Light breeze of 8 kph from the North-East8
    kph wind from NE

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Chicago weather for Friday 12th September 2025

Expect clear skies in Chicago, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 kph from the East7
    kph wind from E

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Metric (°C / mm)  |  Imperial (°F / inches)

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