Potomac River - Payne Point Weather Forecast

    • 71
    • 96

    Rain Showers

    • 70
    • 87

    Mostly Sunny

    • 70
    • 90

    Rain Showers

    • 64
    • 81

    Chance Rain Showers

    • 65
    • 77

    Chance Rain Showers

    • 68
    • 80

    Partly Sunny

    • 73
    • 94

    Chance Thunderstorms

Today 12 Jun St. Marys

Showers with Thunderstorms likely. Some Thunderstorms may be severe. Hot with Highs in the upper 90s. West Winds 5 to 10 Mph. Chance of rain 80 percent.

Tonight 12 Jun St. Marys

Mostly cloudy. Showers with Thunderstorms likely in the evening. Some Thunderstorms may be severe. Lows around 70. West Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 80 percent.

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Potomac River - Payne Point Temperature Statistics

June Temperature

St Marys County Airport (9.3 miles)

  • Lowest 3 June, 2026

    50.9 °F

  • Average June

    72.4 °F

  • Highest 7 June, 2026

    91.9 °F

Climate (2021–Present)

St Marys County Airport (9.3 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.7 °F
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