Marble Falls Weather Forecast

    • 34
    • 64

    Mostly Sunny

    • 36
    • 53

    Increasing Clouds

    • 51
    • 62

    Partly Sunny

    • 58
    • 72

    Mostly Cloudy

    • 61
    • 74

    Mostly Cloudy

    • 60
    • 76

    Mostly Sunny

    • 54
    • 76

    Partly Sunny

Today 20 Dec Newton County Lower Elevations

Sunny. Highs in the lower 60s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west.

Tonight 20 Dec Newton County Lower Elevations

Mostly clear. Cooler with Lows in the lower 30s. North Winds around 5 Mph.

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Marble Falls Temperature Statistics

December Temperature

Harrison, Boone County Airport (11.2 miles)

  • Lowest 14 December, 2025

    10.9 °F

  • Average December

    40.3 °F

  • Highest 16 December, 2025

    62.1 °F

Climate (2020–Present)

Harrison, Boone County Airport (11.2 miles)

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  • Average Low 2020–2025

    49.5 °F

  • Average 2020–2025

    59.7 °F

  • Average High 2020–2025

    70.5 °F
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