Decatur weather live forecast

Tomorrow's maximum temperature in Decatur is expected to be 28°C.

5-day weather forecast updated at 04:01 on Thursday 4th July 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 Thursday 4th July 2024

Expect isolated thunderstorms in Decatur, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 51% chance of some rain and little or no wind of 4 kph from the south.

  • 28°C maximum temperature28
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 51% chance of some rain51
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 4 kph from the South4
    kph wind from S

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Decatur weather for Friday 5th July 2024

Expect isolated thunderstorms in Decatur, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 20-30 mm of rainfall expected with 17% chance of some rain and a gentle breeze of 15 kph from the west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 17% chance of some rain17
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 15 kph from the West15
    kph wind from W

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Decatur weather for Saturday 6th July 2024

Expect scattered clouds in Decatur, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 8 kph from the North-West8
    kph wind from NW

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Decatur weather for Sunday 7th July 2024

Expect broken clouds in Decatur, Illinois with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 9 kph from the South9
    kph wind from S

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Decatur weather for Monday 8th July 2024

Expect isolated thunderstorms in Decatur, Illinois with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 69% chance of some rain and a light breeze of 7 kph from the south-west.

  • 26°C maximum temperature26
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 69% chance of some rain69
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 kph from the South-West7
    kph wind from SW

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

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