Marion weather live forecast

Today's maximum temperature in Marion is expected to be 1°C. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

  • Tuesday
    30th Dec
    Scattered clouds
  • Wednesday
    31st Dec
    Broken clouds
  • Thursday
    1st Jan
    Scattered clouds
  • Friday
    2nd Jan
    Overcast with light rain (10-20 mm of rainfall expected)
  • Saturday
    3rd Jan
    Sunshine and showers (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Tuesday 30th 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 Tuesday 30th December 2025

Expect scattered clouds in Marion, Illinois with a maximum temperature of 1°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -3°C wind chill-3
    °C wind chill
  • Gentle breeze of 15 kph from the North-West15
    kph wind from NW

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Marion weather for Wednesday 31st December 2025

Expect broken clouds in Marion, Illinois with a maximum temperature of 5°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

  • 5°C maximum temperature5
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Light breeze of 12 kph from the West12
    kph wind from W

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Marion weather for Thursday 1st January 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 5°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-east.

  • 5°C maximum temperature5
    °C maximum temperature
  • -1°C minimum temperature-1
    °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
  • 3°C wind chill3
    °C wind chill
  • Little or no wind of 6 kph from the North-East6
    kph wind from NE

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Marion weather for Friday 2nd January 2026

Expect overcast with light rain in Marion, Illinois with a maximum temperature of 8°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 40% chance of some rain and a light breeze of 10 kph from the north-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 40% chance of some rain40
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Light breeze of 10 kph from the North-East10
    kph wind from NE

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Marion weather for Saturday 3rd January 2026

Expect sunshine and showers in Marion, Illinois with a maximum temperature of 5°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 2% chance of some rain and a light breeze of 12 kph from the north.

  • 5°C maximum temperature5
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 2% chance of some rain2
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Light breeze of 12 kph from the North12
    kph wind from N

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

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