Indianapolis International Airport Weather Forecast

    • 57
    • 71

    Rain Showers

    • 42
    • 83

    Rain Showers

    • 29
    • 47

    Partly Sunny

    • 35
    • 53

    Mostly Sunny

    • 50
    • 61

    Mostly Cloudy

    • 57
    • 74

    Chance Rain

Today 25 Mar Marion

Partly cloudy. Much warmer with Highs in the lower 70s. Southeast Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph with Gusts up to 25 Mph late this afternoon.

Tonight 25 Mar Marion

Isolated Showers through the late Overnight, then numerous Showers and scattered Thunderstorms toward daybreak. Not as cool with Lows in the upper 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 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

    50.4 °F

  • Highest 22 March, 2026

    86 °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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