Indianapolis International Airport Weather Forecast

    • 67
    • 79

    Mostly Cloudy

    • 67
    • 80

    Chance Thunderstorms

    • 64
    • 81

    Rain Likely

    • 59
    • 77

    Rain Likely

    • 65
    • 84

    Rain Likely

    • 43
    • 78

    Rain Likely

    • 37
    • 56

    Mostly Sunny

Today 13 Apr Marion

Mostly cloudy through early Afternoon, then partly cloudy with isolated Showers and Thunderstorms late this afternoon. Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 13 Apr Marion

Mostly cloudy. Lows in the upper 60s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Indianapolis International Airport Temperature Statistics

April Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 7 April, 2026

    33.7 °F

  • Average April

    56.6 °F

  • Highest 3 April, 2026

    79.6 °F

Climate (2021–Present)

Indianapolis International Airport (0.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    65 °F
Get WillyWeather+ to remove ads