Decatur weather live forecast

Tomorrow's maximum temperature in Decatur is expected to be -6°C.

5-day weather forecast updated at 04:06 on Tuesday 14th January 2025 GMT

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

Decatur weather forecast by day

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

Decatur weather for Tuesday 14th January 2025

Expect clear skies with flurries of snow in Decatur, Illinois with a maximum temperature of -6°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 cm of snow expected with 5% chance of some snow and a gentle breeze of 13 kph from the north-west.

  • -6°C maximum temperature-6
    °C maximum temperature
  • -14°C minimum temperature-14
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 5% chance of some snow5
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -12°C wind chill-12
    °C wind chill
  • Gentle breeze of 13 kph from the North-West13
    kph wind from NW

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Decatur weather for Wednesday 15th January 2025

Expect scattered clouds in Decatur, Illinois with a maximum temperature of -7°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 10 kph from the south-west.

  • -7°C maximum temperature-7
    °C maximum temperature
  • -14°C minimum temperature-14
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -12°C wind chill-12
    °C wind chill
  • Light breeze of 10 kph from the South-West10
    kph wind from SW

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Decatur weather for Thursday 16th January 2025

Expect scattered clouds in Decatur, Illinois with a maximum temperature of 1°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -6°C minimum temperature-6
    °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
  • -3°C wind chill-3
    °C wind chill
  • Light breeze of 12 kph from the West12
    kph wind from W

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Decatur weather for Friday 17th January 2025

Expect mostly cloudy with light snow in Decatur, Illinois with a maximum temperature of 3°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 35% chance of some snow and a light breeze of 12 kph from the south.

  • 3°C maximum temperature3
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 35% chance of some snow35
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 0°C wind chill0
    °C wind chill
  • Light breeze of 12 kph from the South12
    kph wind from S

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Decatur weather for Saturday 18th January 2025

Expect cloudy with sleet or snow in Decatur, Illinois with a maximum temperature of 3°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 19% chance of some sleet or snow and a light breeze of 12 kph from the north.

  • 3°C maximum temperature3
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 19% chance of some sleet or snow19
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • -1°C wind chill-1
    °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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