Potomac River - Long Point Weather Forecast

    • 54
    • 77

    Rain Showers

    • 34
    • 62

    Rain Showers

    • 36
    • 49

    Partly Sunny

    • 45
    • 60

    Slight Chance Rain

    • 53
    • 67

    Chance Rain

    • 33
    • 65

    Chance Rain

    • 31
    • 49

    Mostly Sunny

Today 22 Mar St. Marys

Sunny. Highs in the upper 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 22 Mar St. Marys

Partly cloudy. Lows in the lower 50s. South Winds 5 to 10 Mph, becoming west after midnight. Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Long Point Temperature Statistics

March Temperature

St Marys County Airport (10.6 miles)

  • Lowest 18 March, 2026

    26.4 °F

  • Average March

    50.5 °F

  • Highest 11 March, 2026

    85.8 °F

Climate (2021–Present)

St Marys County Airport (10.6 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    66.6 °F
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