Decatur weather live forecast

Tomorrow's maximum temperature in Decatur is expected to be 14°C.

  • Tuesday
    23rd Apr
    Mostly cloudy with rain (10-20 mm of rainfall expected)
  • Wednesday
    24th Apr
    Scattered clouds
  • Thursday
    25th Apr
    Scattered clouds
  • Friday
    26th Apr
    Isolated thunderstorms (20-30 mm of rainfall expected)
  • Saturday
    27th Apr
    Isolated thunderstorms (5-10 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Wednesday 24th April 2024 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 23rd April 2024

Expect mostly cloudy with rain in Decatur, Illinois with a maximum temperature of 14°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and little or no wind of 6 kph from the west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 99% chance of some rain99
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 6 kph from the West6
    kph wind from W

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Decatur weather for Wednesday 24th April 2024

Expect scattered clouds in Decatur, Illinois with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

  • 15°C maximum temperature15
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Light breeze of 7 kph from the North7
    kph wind from N

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Decatur weather for Thursday 25th April 2024

Expect scattered clouds in Decatur, Illinois with a maximum temperature of 16°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

  • 16°C maximum temperature16
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 8 kph from the East8
    kph wind from E

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Decatur weather for Friday 26th April 2024

Expect isolated thunderstorms in Decatur, Illinois with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 18 kph from the south-east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 99% chance of some rain99
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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Decatur weather for Saturday 27th April 2024

Expect isolated thunderstorms in Decatur, Illinois with a maximum temperature of 24°C, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 57% chance of some rain and a moderate breeze of 22 kph from the south.

  • 24°C maximum temperature24
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 57% chance of some rain57
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Moderate breeze of 22 kph from the South22
    kph wind from S

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

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