Indianapolis International Airport Weather Forecast

    • 61
    • 79

    Partly Sunny

    • 57
    • 78

    Partly Sunny

    • 54
    • 77

    Sunny

    • 57
    • 78

    Mostly Sunny

    • 63
    • 82

    Partly Sunny

    • 67
    • 84

    Chance Thunderstorms

Today 31 May Marion

Partly cloudy. Highs in the upper 70s. Northeast Winds around 5 Mph.

Tonight 31 May Marion

Partly cloudy. Isolated Showers toward daybreak. Lows in the lower 60s. Light and variable Winds, becoming northeast around 5 Mph toward daybreak. Chance of rain 20 percent.

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Indianapolis International Airport Temperature Statistics

May Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 3 May, 2026

    36.6 °F

  • Average May

    62.1 °F

  • Highest 19 May, 2026

    85.6 °F

Climate (2021–Present)

Indianapolis International Airport (0.6 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    65.1 °F
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