Round Rock Original Plat Weather Forecast

    • 62
    • 90

    Slight Chance Rain Showers

    • 62
    • 85

    Rain Showers Likely

    • 62
    • 70

    Thunderstorms

    • 63
    • 76

    Chance Thunderstorms

    • 66
    • 87

    Partly Sunny

    • 57
    • 89

    Partly Sunny

    • 56
    • 79

    Partly Sunny

Today 25 Mar Williamson

Sunny. Patchy fog this morning. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Southwest Winds 5 to 10 Mph, becoming south this afternoon. Chance of rain 20 percent.

Tonight 25 Mar Williamson

Partly cloudy. A slight chance of Showers with isolated Thunderstorms this evening. Lows in the lower 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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Round Rock Original Plat Temperature Statistics

March Temperature

Austin Executive Airport (10.6 miles)

  • Lowest 21 March, 2025

    39.2 °F

  • Average March

    66.1 °F

  • Highest 14 March, 2025

    95 °F

Climate (2020–Present)

Austin Executive Airport (10.6 miles)

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  • Average Low 2020–2025

    58.9 °F

  • Average 2020–2025

    68.8 °F

  • Average High 2020–2025

    79.7 °F
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