Potomac River - Colton Point Weather Forecast

    • 44
    • 50

    Mostly Cloudy

    • 59
    • 61

    Mostly Cloudy

    • 51
    • 71

    Rain Showers

    • 42
    • 56

    Mostly Sunny

    • 48
    • 64

    Mostly Sunny

    • 54
    • 69

    Mostly Cloudy

Today 14 Mar St. Marys

Mostly cloudy. Highs in the lower 50s. East Winds around 5 Mph.

Tonight 14 Mar St. Marys

Mostly cloudy. A slight chance of Showers after midnight. Patchy fog after midnight. Lows in the lower 40s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

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Potomac River - Colton Point Temperature Statistics

March Temperature

St Marys County Airport (12.4 miles)

  • Lowest 3 March, 2025

    21.2 °F

  • Average March

    44.9 °F

  • Highest 1 March, 2025

    68 °F

Climate (2020–Present)

St Marys County Airport (12.4 miles)

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  • Average Low 2020–2025

    49.4 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    66.5 °F
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