Potomac River - Mattox Creek Entrance Weather Forecast

    • 71
    • 94

    Chance Rain Showers

    • 64
    • 82

    Chance Rain Showers

    • 65
    • 85

    Mostly Sunny

    • 70
    • 88

    Chance Rain Showers

    • 69
    • 88

    Rain Showers Likely

    • 66
    • 85

    Mostly Sunny

    • 67
    • 85

    Partly Sunny

Today 18 Jun Westmoreland

Partly sunny with a slight chance of Showers and Thunderstorms. Breezy with Highs in the mid 90s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 18 Jun Westmoreland

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly cloudy with Showers likely with a slight chance of Thunderstorms after midnight. Lows in the lower 70s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening. Chance of rain 70 percent.

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Potomac River - Mattox Creek Entrance Temperature Statistics

June Temperature

St Marys County Airport (23 miles)

  • Lowest 3 June, 2026

    50.9 °F

  • Average June

    74.6 °F

  • Highest 12 June, 2026

    100.6 °F

Climate (2021–2026)

St Marys County Airport (23 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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