Potomac River - Weir Creek Entrance Weather Forecast

    • 74
    • 88

    Increasing Clouds

    • 73
    • 95

    Chance Rain Showers

    • 67
    • 85

    Chance Rain Showers

    • 66
    • 85

    Mostly Sunny

    • 69
    • 87

    Partly Sunny

    • 69
    • 85

    Chance Thunderstorms

Today 17 Jun Charles

Sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 17 Jun Charles

Mostly cloudy with scattered Showers. Lows in the lower 60s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

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Potomac River - Weir Creek Entrance Temperature Statistics

June Temperature

St Marys County Airport (19.9 miles)

  • Lowest 3 June, 2026

    50.9 °F

  • Average June

    75 °F

  • Highest 12 June, 2026

    100.6 °F

Climate (2021–2026)

St Marys County Airport (19.9 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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