Indianapolis International Airport Weather Forecast

    • 56
    • 81

    Rain Showers

    • 59
    • 68

    Rain Showers

    • 63
    • 80

    Rain Showers

    • 62
    • 76

    Rain Likely

    • 43
    • 75

    Rain Likely

    • 34
    • 53

    Slight Chance Rain

Today 31 Mar Marion

Mostly cloudy early this Afternoon, then partly cloudy with a slight chance of Showers and Thunderstorms late this afternoon. Highs in the upper 70s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 31 Mar Marion

A chance of Thunderstorms. Showers. Lows in the mid 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest toward daybreak. Chance of rain 90 percent.

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Indianapolis International Airport Temperature Statistics

March Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 17 March, 2026

    16.6 °F

  • Average March

    49.9 °F

  • Highest 22 March, 2026

    88.6 °F

Climate (2021–Present)

Indianapolis International Airport (0.6 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65 °F
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