Greenbriar Weather Forecast

    • 61
    • 88

    Mostly Sunny

    • 61
    • 86

    Partly Sunny

    • 61
    • 86

    Mostly Sunny

    • 64
    • 88

    Partly Sunny

    • 61
    • 84

    Chance Rain Showers

    • 60
    • 80

    Chance Rain Showers

Today 15 Sep Marion

Sunny. Highs in the upper 80s. East Winds around 5 Mph.

Tonight 15 Sep Marion

Mostly clear. Lows in the lower 60s. 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 8 September, 2025

    46 °F

  • Average September

    65.4 °F

  • Highest 12 September, 2025

    84 °F

Climate (2020–Present)

Indianapolis, Eagle Creek Airpark (7.5 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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