Potomac River - Long Point Weather Forecast

    • 71
    • 92

    Rain Showers

    • 63
    • 81

    Rain Showers

    • 66
    • 84

    Mostly Sunny

    • 71
    • 89

    Chance Rain Showers

    • 72
    • 91

    Rain Showers Likely

    • 72
    • 89

    Chance Thunderstorms

    • 72
    • 90

    Slight Chance Thunderstorms

Today 22 Jun St. Marys

Mostly cloudy with a chance of Thunderstorms with a slight chance of Showers. Some Thunderstorms may be severe with damaging Winds. Highs in the lower 90s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 22 Jun St. Marys

Showers and scattered Thunderstorms, mainly in the evening. Some Thunderstorms may be severe with damaging Winds in the evening. Lows around 70. South Winds 10 to 15 Mph, becoming southwest around 5 Mph after midnight. Chance of rain near 100 percent.

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Potomac River - Long Point Temperature Statistics

June Temperature

St Marys County Airport (10.6 miles)

  • Lowest 3 June, 2026

    50.9 °F

  • Average June

    75.1 °F

  • Highest 12 June, 2026

    100.6 °F

Climate (2021–2026)

St Marys County Airport (10.6 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.8 °F
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