Round Rock Weather Forecast

    • 67
    • 80

    Slight Chance Thunderstorms

    • 63
    • 88

    Mostly Sunny

    • 62
    • 80

    Mostly Sunny

    • 61
    • 77

    Chance Thunderstorms

    • 58
    • 77

    Mostly Sunny

    • 58
    • 75

    Partly Sunny

    • 60
    • 74

    Slight Chance Rain Showers

Today 10 Aug Coastal Rockingham

Partly sunny. Highs in the mid 80s. Southeast Winds around 10 Mph.

Tonight 10 Aug Coastal Rockingham

Partly cloudy with a slight chance of Showers and Thunderstorms. Humid with Lows in the mid 60s. Light and variable Winds. Chance of rain 20 percent.

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Round Rock Temperature Statistics

August Temperature

Pease Air Force Base / Portsmouth (13.7 miles)

  • Lowest 5 August, 2026

    62.8 °F

  • Average August

    76.8 °F

  • Highest 7 August, 2026

    91.4 °F

Climate (2021–2026)

Pease Air Force Base / Portsmouth (13.7 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    59.2 °F
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