Three Fountains Weather Forecast

    • 77
    • 95

    Partly Sunny

    • 77
    • 96

    Chance Rain Showers

    • 77
    • 97

    Hot

    • 77
    • 99

    Hot

    • 76
    • 97

    Hot

    • 77
    • 97

    Hot

Today 5 Sep Williamson

Partly cloudy. Highs in the mid 90s. South Winds around 5 Mph, becoming southeast this afternoon.

Tonight 5 Sep Williamson

Partly cloudy in the Evening, then clearing. Lows in the mid 70s. Southeast Winds 5 to 10 Mph, becoming south after midnight.

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Three Fountains Temperature Statistics

September Temperature

Austin Executive Airport (9.9 miles)

  • Lowest 2 September, 2026

    74.8 °F

  • Average September

    86.6 °F

  • Highest 2 September, 2026

    102.6 °F

Climate (2021–2026)

Austin Executive Airport (9.9 miles)

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  • Average Low 2021–2026

    59.8 °F

  • Average 2021–2026

    69.8 °F

  • Average High 2021–2026

    80.9 °F
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