Greenbriar Weather Forecast

    • 67
    • 82

    Mostly Cloudy

    • 66
    • 86

    Rain Showers

    • 63
    • 87

    Partly Sunny

    • 68
    • 85

    Partly Sunny

    • 68
    • 92

    Chance Rain Showers

    • 69
    • 88

    Rain Showers Likely

Today 11 Sep Marion

Partly cloudy. Highs in the lower 80s. Northeast Winds around 5 Mph, becoming east late this afternoon.

Tonight 11 Sep Marion

Mostly cloudy. Scattered Showers toward daybreak. Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenbriar Temperature Statistics

September Temperature

Indianapolis, Eagle Creek Airpark (7.5 miles)

  • Lowest 7 September, 2026

    61.6 °F

  • Average September

    80.9 °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

    46.8 °F

  • Average 2021–2026

    56.1 °F

  • Average High 2021–2026

    65.4 °F
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