Colonial Beach Weather Forecast

    • 62
    • 74

    Becoming Sunny

    • 67
    • 76

    Mostly Sunny

    • 70
    • 82

    Chance Rain Showers

    • 76
    • 85

    Partly Sunny

    • 68
    • 85

    Chance Rain Showers

    • 63
    • 74

    Partly Sunny

    • 64
    • 73

    Mostly Sunny

Today 2 Sep Westmoreland

Partly sunny. Highs in the mid 70s. Northeast Winds around 5 Mph.

Tonight 2 Sep Westmoreland

Mostly clear. Lows in the upper 50s. East Winds around 5 Mph, becoming southwest after midnight.

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Colonial Beach Temperature Statistics

September Temperature

St Marys County Airport (22.4 miles)

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  • Average September

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Climate (2020–Present)

St Marys County Airport (22.4 miles)

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  • Average Low 2020–2025

    49.6 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    66.7 °F
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