Potomac River - Kingcopsico Point Weather Forecast

    • 34
    • 40

    Partly Sunny

    • 34
    • 49

    Chance Snow

    • 23
    • 36

    Chance Snow

    • 18
    • 41

    Mostly Sunny

    • 19
    • 30

    Mostly Sunny

    • 31
    • 40

    Mostly Sunny

Today 16 Jan Westmoreland

Partly sunny. Highs around 40. Southwest Winds around 10 Mph.

Tonight 16 Jan Westmoreland

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the lower 30s. South Winds 5 to 10 Mph.

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Potomac River - Kingcopsico Point Temperature Statistics

January Temperature

St Marys County Airport (13 miles)

  • Lowest 1 January, 2026

    24.3 °F

  • Average January

    41 °F

  • Highest 7 January, 2026

    65.7 °F

Climate (2021–Present)

St Marys County Airport (13 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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