Colonial Beach Weather Forecast

    • 32
    • 53

    Mostly Sunny

    • 15
    • 44

    Breezy

    • 21
    • 22

    Snow/Sleet

    • 24
    • 30

    Wintry Mix

    • 9
    • 27

    Mostly Sunny

    • 15
    • 25

    Partly Sunny

    • 18
    • 29

    Mostly Cloudy

Today 22 Jan Westmoreland

Partly sunny. Highs in the mid 50s. West Winds 10 to 15 Mph.

Tonight 22 Jan Westmoreland

Mostly clear. Lows in the upper 20s. Northwest Winds around 5 Mph this Evening, becoming light and variable.

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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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