Indianapolis International Airport Weather Forecast

    • 75
    • 95

    Mostly Sunny

    • 75
    • 95

    Mostly Sunny

    • 75
    • 95

    Chance Thunderstorms

    • 71
    • 91

    Chance Rain Showers

    • 65
    • 88

    Chance Thunderstorms

    • 63
    • 84

    Partly Sunny

Today 1 Sep Marion

Mostly sunny. Hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph.

Tonight 1 Sep Marion

Mostly clear. Lows in the lower 70s. Southwest Winds 5 to 10 Mph.

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Indianapolis International Airport Temperature Statistics

September Temperature

Indianapolis International Airport (0.6 miles)

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Climate (2021–2026)

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

    65.2 °F
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