Marble Falls Weather Forecast

    • 68
    • 96

    Mostly Sunny

    • 72
    • 98

    Hot

    • 73
    • 99

    Rain Showers Likely

    • 68
    • 90

    Chance Thunderstorms

    • 70
    • 92

    Slight Chance Thunderstorms

    • 70
    • 94

    Mostly Sunny

Today 7 Sep Newton County Lower Elevations

Sunny. Highs in the mid 90s. East Winds around 5 Mph. Average rainfall less than 1/10 inch.

Tonight 7 Sep Newton County Lower Elevations

Clear. Lows in the upper 60s. Southeast Winds around 5 Mph.

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Marble Falls Temperature Statistics

September Temperature

Harrison, Boone County Airport (11.2 miles)

  • Lowest 3 September, 2026

    71.7 °F

  • Average September

    86.4 °F

  • Highest 5 September, 2026

    100.9 °F

Climate (2021–2026)

Harrison, Boone County Airport (11.2 miles)

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  • Average Low 2021–2026

    50.3 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    71.7 °F
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