Indianapolis International Airport Weather Forecast

    • 36
    • 81

    Chance Thunderstorms

    • 34
    • 52

    Partly Sunny

    • 41
    • 58

    Mostly Cloudy

    • 50
    • 63

    Slight Chance Thunderstorms

    • 40
    • 74

    Chance Rain

    • 33
    • 51

    Chance Rain

Today 22 Mar Marion

Partly cloudy. A chance of rain and Thunderstorms late in the afternoon. Highs in the lower 80s. Southwest Winds 10 to 15 Mph, becoming northwest late in the afternoon. Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 22 Mar Marion

Mostly cloudy with a chance of rain with a slight chance of Thunderstorms through the late Overnight, then partly cloudy toward daybreak. Much cooler with Lows in the mid 30s. North Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 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

    48.1 °F

  • Highest 6 March, 2026

    79.6 °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

    64.9 °F
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