Illinois weather live forecast

Today's maximum temperature in Illinois is expected to be 20°C. Select a day from the live weather forecast for Illinois (Chicago), USA for more weather parameters.

  • Saturday
    15th Nov
    Broken clouds
  • Sunday
    16th Nov
    Scattered clouds
  • Monday
    17th Nov
    Broken clouds
  • Tuesday
    18th Nov
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Wednesday
    19th Nov
    Overcast skies

5-day weather forecast updated at 04:00 on Saturday 15th November 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.

Top Illinois destinations

Below are temperatures expected today at popular countries, regions and places in Illinois. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Illinois weather forecast by day

Below are the detailed weather forecasts for Illinois for the next 5 days. The forecasts shown are for Chicago and may not represent the whole of Illinois. Browse more destinations in Illinois to view more weather forecasts.

Illinois weather for Saturday 15th November 2025

Expect broken clouds in Illinois with a maximum temperature of 20°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

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Illinois weather for Sunday 16th November 2025

Expect scattered clouds in Illinois with a maximum temperature of 8°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

  • 8°C maximum temperature8
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Gentle breeze of 15 kph from the North-West15
    kph wind from NW

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Illinois weather for Monday 17th November 2025

Expect broken clouds in Illinois with a maximum temperature of 8°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-west.

  • 8°C maximum temperature8
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Light breeze of 7 kph from the North-West7
    kph wind from NW

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Illinois weather for Tuesday 18th November 2025

Expect mostly cloudy with light rain in Illinois with a maximum temperature of 8°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 44% chance of some rain and a light breeze of 11 kph from the east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 44% chance of some rain44
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Light breeze of 11 kph from the East11
    kph wind from E

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Illinois weather for Wednesday 19th November 2025

Expect overcast skies in Illinois with a maximum temperature of 10°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the east.

  • 10°C maximum temperature10
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no 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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