Indianapolis International Airport Weather Forecast

    • 56
    • 82

    Increasing Clouds

    • 58
    • 77

    Rain Showers

    • 56
    • 72

    Chance Rain Showers

    • 63
    • 81

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 57
    • 75

    Chance Rain Showers

Today 9 Oct Marion

Partly cloudy with a 40 percent chance of Showers. Lows in the upper 50s. Highs in the upper 60s.

Tonight 9 Oct Marion

Partly cloudy. Not as cool with Lows in the upper 50s. South Winds around 5 Mph, becoming southeast around 5 Mph.

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Indianapolis International Airport Temperature Statistics

October Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 5 October, 2026

    46.9 °F

  • Average October

    64.6 °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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