Round Rock Weather Forecast

    • 60
    • 72

    Isolated Thunderstorms

    • 48
    • 74

    Mostly Sunny

    • 44
    • 65

    Mostly Sunny

    • 49
    • 66

    Mostly Sunny

    • 57
    • 72

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

Today 18 Sep Coastal Rockingham

Mostly sunny. Highs in the mid 70s. Light and variable Winds.

Tonight 18 Sep Coastal Rockingham

Mostly clear. Lows in the upper 50s. Light and variable Winds.

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  • Temperature Real-Time

Round Rock Temperature Statistics

September Temperature

Pease Air Force Base / Portsmouth (13.7 miles)

  • Lowest 9 September, 2025

    47.3 °F

  • Average September

    63.9 °F

  • Highest 6 September, 2025

    82.6 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (13.7 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    59.4 °F
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