Indianapolis International Airport Weather Forecast

    • 50
    • 78

    Sunny

    • 58
    • 82

    Mostly Sunny

    • 59
    • 80

    Rain Showers

    • 57
    • 70

    Chance Rain Showers

    • 59
    • 79

    Slight Chance Rain Showers

    • 48
    • 73

    Partly Sunny

Today 8 Oct Marion

Sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 8 Oct Marion

Clear. Lows in the lower 50s. East 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

    46.9 °F

  • Average October

    64.4 °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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