Marion weather live forecast

Today's maximum temperature in Marion is expected to be 7°C. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

  • Sunday
    7th Dec
    Overcast skies
  • Monday
    8th Dec
    Scattered clouds
  • Tuesday
    9th Dec
    Scattered clouds
  • Wednesday
    10th Dec
    Broken clouds
  • Thursday
    11th Dec
    Cloudy with sleet or snow (2-5 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Sunday 7th December 2025 GMT

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

Marion weather forecast by day

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

Marion weather for Sunday 7th December 2025

Expect overcast skies in Marion, Illinois with a maximum temperature of 7°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

  • 7°C maximum temperature7
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Overcast skies
    overcast skies
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Gentle breeze of 13 kph from the North13
    kph wind from N

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Marion weather for Monday 8th December 2025

Expect scattered clouds in Marion, Illinois with a maximum temperature of 2°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north.

  • 2°C maximum temperature2
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -2°C wind chill-2
    °C wind chill
  • Light breeze of 12 kph from the North12
    kph wind from N

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Marion weather for Tuesday 9th December 2025

Expect scattered clouds in Marion, Illinois with a maximum temperature of 7°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south.

  • 7°C maximum temperature7
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Moderate breeze of 25 kph from the South25
    kph wind from S

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Marion weather for Wednesday 10th December 2025

Expect broken clouds in Marion, Illinois with a maximum temperature of 10°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 0°C minimum temperature0
    °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
  • 6°C wind chill6
    °C wind chill
  • Moderate breeze of 24 kph from the South-West24
    kph wind from SW

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Marion weather for Thursday 11th December 2025

Expect cloudy with sleet or snow in Marion, Illinois with a maximum temperature of 5°C and no hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 54% chance of some sleet or snow and a light breeze of 11 kph from the north.

  • 5°C maximum temperature5
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 54% chance of some sleet or snow54
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • 3°C wind chill3
    °C wind chill
  • Light breeze of 11 kph from the North11
    kph wind from N

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

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