Indianapolis International Airport Weather Forecast

    • 49
    • 74

    Sunny

    • 54
    • 81

    Mostly Sunny

    • 49
    • 75

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

    • 57
    • 80

    Partly Sunny

    • 57
    • 74

    Slight Chance Rain Showers

Today 6 Oct Marion

Sunny. Highs in the lower 70s. South Winds 5 to 10 Mph.

Tonight 6 Oct Marion

Clear. Lows in the upper 40s. South Winds 5 to 10 Mph.

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Indianapolis International Airport Temperature Statistics

October Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 3 October, 2026

    48 °F

  • Average October

    66.1 °F

  • Highest 1 October, 2026

    87.7 °F

Climate (2021–2026)

Indianapolis International Airport (0.6 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    65.3 °F
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