Greenbriar Weather Forecast

    • 60
    • 82

    Mostly Sunny

    • 66
    • 83

    Partly Sunny

    • 71
    • 88

    Mostly Sunny

    • 73
    • 91

    Partly Sunny

    • 75
    • 92

    Partly Sunny

    • 74
    • 91

    Slight Chance Thunderstorms

Today 28 Aug Marion

Sunny. Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 28 Aug Marion

Clear. Patchy fog. Lows in the lower 60s. North Winds around 5 Mph.

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  • Temperature Real-Time

Greenbriar Temperature Statistics

August Temperature

Indianapolis, Eagle Creek Airpark (7.5 miles)

  • Lowest 25 August, 2026

    57 °F

  • Average August

    75 °F

  • Highest 10 August, 2026

    90.6 °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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