Highland Terrace Weather Forecast

    • 74
    • 97

    Slight Chance Thunderstorms

    • 74
    • 98

    Slight Chance Thunderstorms

    • 72
    • 98

    Hot

    • 71
    • 97

    Hot

    • 73
    • 97

    Hot

    • 73
    • 97

    Hot

    • 73
    • 96

    Partly Sunny

Today 22 Sep Williamson

Mostly cloudy. A slight chance of Showers in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent.

Tonight 22 Sep Williamson

Partly cloudy. A slight chance of Showers and Thunderstorms this evening. Lows in the mid 70s. East Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Highland Terrace Temperature Statistics

September Temperature

Austin Executive Airport (8.1 miles)

  • Lowest 20 September, 2026

    72 °F

  • Average September

    85.9 °F

  • Highest 2 September, 2026

    102.6 °F

Climate (2021–2026)

Austin Executive Airport (8.1 miles)

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  • Average Low 2021–2026

    59.9 °F

  • Average 2021–2026

    69.8 °F

  • Average High 2021–2026

    81 °F
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