Greenbriar Weather Forecast

    • 46
    • 69

    Increasing Clouds

    • 59
    • 70

    Chance Rain Showers

    • 64
    • 82

    Rain Showers

    • 68
    • 87

    Mostly Sunny

    • 72
    • 89

    Chance Thunderstorms

    • 66
    • 86

    Rain Showers Likely

    • 58
    • 80

    Chance Rain Showers

Today 14 May Marion

Sunny. Highs in the upper 60s. North Winds 5 to 10 Mph.

Tonight 14 May Marion

Clear through the late Overnight, then becoming partly cloudy. Lows in the mid 40s. Light and variable Winds, becoming south around 5 Mph toward daybreak.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenbriar Temperature Statistics

May Temperature

Indianapolis, Eagle Creek Airpark (7.5 miles)

  • Lowest 2 May, 2026

    38.6 °F

  • Average May

    55.5 °F

  • Highest 12 May, 2026

    77 °F

Climate (2021–Present)

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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