Lake Travis Weather Forecast

    • 77
    • 96

    Slight Chance Thunderstorms

    • 75
    • 94

    Chance Thunderstorms

    • 75
    • 95

    Mostly Sunny

    • 75
    • 96

    Mostly Sunny

    • 75
    • 95

    Mostly Sunny

    • 75
    • 95

    Partly Sunny

Today 3 Sep Travis

Mostly cloudy this Morning, then partly cloudy with a slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 90s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Highest heat index Readings up to 105.

Tonight 3 Sep Travis

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Travis Temperature Statistics

September Temperature

Lago Vista TX, Rusty Allen Airport (5 miles)

  • Lowest 1 September, 2026

    76.1 °F

  • Average September

    85.9 °F

  • Highest 1 September, 2026

    97.3 °F

Climate (2021–2026)

Lago Vista TX, Rusty Allen Airport (5 miles)

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  • Average Low 2021–2026

    60.2 °F

  • Average 2021–2026

    69.3 °F

  • Average High 2021–2026

    79.8 °F
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