Indianapolis weather live forecast

Today's maximum temperature in Indianapolis is expected to be 32°C. Select a day from the live weather forecast for Indianapolis, Indiana, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Thursday 18th September 2025 GMT

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

Indianapolis weather forecast by day

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

Indianapolis weather for Thursday 18th September 2025

Expect scattered clouds in Indianapolis, Indiana with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the north-east.

  • 32°C maximum temperature32
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 3 kph from the North-East3
    kph wind from NE

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Indianapolis weather for Friday 19th September 2025

Expect scattered clouds in Indianapolis, Indiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-east.

  • 30°C maximum temperature30
    °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 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 4 kph from the South-East4
    kph wind from SE

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Indianapolis weather for Saturday 20th September 2025

Expect broken clouds in Indianapolis, Indiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 7 kph from the South-East7
    kph wind from SE

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Indianapolis weather for Sunday 21st September 2025

Expect isolated thunderstorms in Indianapolis, Indiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 48% chance of some rain and a light breeze of 11 kph from the south.

  • 28°C maximum temperature28
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 48% chance of some rain48
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 11 kph from the South11
    kph wind from S

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Indianapolis weather for Monday 22nd September 2025

Expect isolated thunderstorms in Indianapolis, Indiana with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 30-40 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 14 kph from the south.

  • 24°C maximum temperature24
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 63% chance of some rain63
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Gentle breeze of 14 kph from the South14
    kph wind from S

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

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