Indianapolis International Airport Weather Forecast

    • 33
    • 55

    Sunny

    • 36
    • 64

    Sunny

    • 39
    • 68

    Mostly Sunny

    • 43
    • 71

    Mostly Sunny

    • 44
    • 72

    Sunny

    • 47
    • 74

    Mostly Sunny

Today 17 Oct Marion

Sunny. Highs in the mid 50s. Northeast Winds around 10 Mph with Gusts up to 20 Mph, Diminishing to around 5 Mph late in the afternoon.

Tonight 17 Oct Marion

Clear. Areas of frost toward daybreak. Lows in the lower 30s. Southeast Winds around 5 Mph.

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Indianapolis International Airport Temperature Statistics

October Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 5 October, 2026

    47.6 °F

  • Average October

    67 °F

  • Highest 13 October, 2026

    88 °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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