Indianapolis Motor Speedway Weather Forecast

    • 57
    • 83

    Mostly Sunny

    • 56
    • 87

    Mostly Sunny

    • 61
    • 88

    Mostly Sunny

    • 65
    • 89

    Partly Sunny

    • 66
    • 92

    Partly Sunny

    • 62
    • 91

    Mostly Sunny

Today 10 Sep Marion

Partly cloudy early this Afternoon, then clearing. Highs in the lower 80s. South Winds around 5 Mph.

Tonight 10 Sep Marion

Mostly clear. Lows in the upper 50s. East Winds around 5 Mph.

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Indianapolis Motor Speedway Temperature Statistics

September Temperature

Indianapolis, Eagle Creek Airpark (3.7 miles)

  • Lowest 8 September, 2025

    46 °F

  • Average September

    64.2 °F

  • Highest 2 September, 2025

    82.9 °F

Climate (2020–Present)

Indianapolis, Eagle Creek Airpark (3.7 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    55.9 °F

  • Average High 2020–2025

    65 °F
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