Indianapolis International Airport Weather Forecast

    • 55
    • 78

    Mostly Sunny

    • 63
    • 84

    Rain Showers

    • 38
    • 70

    Rain Showers

    • 35
    • 57

    Mostly Sunny

    • 46
    • 61

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

    • 53
    • 75

    Slight Chance Thunderstorms

Today 16 Apr Marion

Partly cloudy early this Afternoon, then clearing. Highs in the upper 70s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 16 Apr Marion

Clear, cooler with Lows in the lower 50s. West Winds around 5 Mph, becoming south toward daybreak.

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Indianapolis International Airport Temperature Statistics

April Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 7 April, 2026

    33.7 °F

  • Average April

    58.7 °F

  • Highest 12 April, 2026

    80.7 °F

Climate (2021–Present)

Indianapolis International Airport (0.6 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    65 °F
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