Indianapolis International Airport Weather Forecast

    • 30
    • 45

    Increasing Clouds

    • 41
    • 54

    Mostly Cloudy

    • 56
    • 67

    Chance Rain

    • 38
    • 80

    Rain

    • 28
    • 47

    Partly Sunny

    • 34
    • 52

    Mostly Sunny

    • 43
    • 59

    Mostly Cloudy

Today 23 Mar Marion

Partly cloudy. Much cooler with Highs in the mid 40s. North Winds 10 to 15 Mph.

Tonight 23 Mar Marion

Mostly clear through the late Overnight, then becoming partly cloudy. Cold with Lows around 30. Northeast Winds 5 to 10 Mph, becoming east toward daybreak.

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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

    49.6 °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

    55.6 °F

  • Average High 2021–2026

    65 °F
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