Greenbriar Weather Forecast

    • 51
    • 69

    Decreasing Clouds

    • 49
    • 72

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

    • 55
    • 72

    Mostly Sunny

    • 63
    • 74

    Mostly Cloudy

    • 65
    • 77

    Chance Rain Showers

Today 25 Sep Marion

Partly cloudy. Highs around 70. Northeast Winds 5 to 10 Mph.

Tonight 25 Sep Marion

Partly cloudy. Lows in the lower 50s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Greenbriar Temperature Statistics

September Temperature

Indianapolis, Eagle Creek Airpark (7.5 miles)

  • Lowest 14 September, 2026

    56.6 °F

  • Average September

    76.6 °F

  • Highest 4 September, 2026

    96.7 °F

Climate (2021–2026)

Indianapolis, Eagle Creek Airpark (7.5 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    56.1 °F

  • Average High 2021–2026

    65.4 °F
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