Potomac River - Saint Catherine Island Weather Forecast

    • 36
    • 39

    Mostly Cloudy

    • 49
    • 57

    Partly Sunny

    • 37
    • 55

    Mostly Cloudy

    • 38
    • 40

    Rain

    • 44
    • 59

    Chance Rain

    • 36
    • 49

    Mostly Cloudy

    • 41
    • 45

    Chance Rain

Today 2 Feb St. Marys

Mostly cloudy. Highs in the upper 30s. Southeast Winds around 5 Mph.

Tonight 2 Feb St. Marys

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 30s. South Winds around 5 Mph.

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Potomac River - Saint Catherine Island Temperature Statistics

February Temperature

St Marys County Airport (14.3 miles)

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  • Average February

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Climate (2020–Present)

St Marys County Airport (14.3 miles)

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  • Average Low 2020–2025

    49.5 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    66.6 °F
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