Indianapolis International Airport Weather Forecast

    • 66
    • 86

    Becoming Sunny

    • 69
    • 85

    Rain Showers

    • 62
    • 87

    Rain Showers

    • 49
    • 72

    Mostly Cloudy

    • 52
    • 69

    Mostly Cloudy

    • 58
    • 74

    Chance Rain Showers

Today 17 May Marion

Partly cloudy early this Morning, then isolated Showers and Thunderstorms toward daybreak. Mostly sunny. Warmer with Highs in the mid 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 17 May Marion

Clear. Lows in the upper 60s. South Winds around 10 Mph with Gusts up to 25 Mph.

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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

    55.9 °F

  • Highest 12 May, 2026

    76.6 °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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