Colonial Beach Weather Forecast

    • 32
    • 51

    Mostly Sunny

    • 15
    • 44

    Breezy

    • 20
    • 22

    Snow

    • 22
    • 29

    Wintry Mix

    • 9
    • 26

    Mostly Sunny

    • 17
    • 28

    Partly Sunny

Today 22 Jan Westmoreland

Sunny. Highs in the lower 50s. West Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon.

Tonight 22 Jan Westmoreland

Mostly clear. Lows in the upper 20s. Northwest Winds around 5 Mph, becoming northeast after midnight.

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Colonial Beach Temperature Statistics

January Temperature

St Marys County Airport (22.4 miles)

  • Lowest 19 January, 2026

    19.4 °F

  • Average January

    38.6 °F

  • Highest 7 January, 2026

    65.7 °F

Climate (2021–Present)

St Marys County Airport (22.4 miles)

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  • Average Low 2021–2026

    49.5 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.7 °F
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