Greenbriar Weather Forecast

    • 47
    • 64

    Becoming Sunny

    • 46
    • 72

    Mostly Cloudy

    • 54
    • 70

    Mostly Sunny

    • 37
    • 78

    Slight Chance Thunderstorms

    • 30
    • 49

    Partly Sunny

    • 37
    • 55

    Mostly Cloudy

Today 19 Mar Marion

Partly cloudy through early Afternoon, then clearing. Much warmer with Highs in the mid 60s. South Winds around 5 Mph.

Tonight 19 Mar Marion

Partly cloudy. Not as cool with Lows in the mid 40s. South Winds 5 to 10 Mph.

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Greenbriar Temperature Statistics

March Temperature

Indianapolis, Eagle Creek Airpark (7.5 miles)

  • Lowest 16 March, 2026

    21.9 °F

  • Average March

    49.3 °F

  • Highest 6 March, 2026

    79.6 °F

Climate (2021–Present)

Indianapolis, Eagle Creek Airpark (7.5 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    65.2 °F
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