Potomac River - Nomini Bay Weather Forecast

    • 80
    • 97

    Hot

    • 78
    • 95

    Chance Thunderstorms

    • 77
    • 96

    Chance Thunderstorms

    • 75
    • 94

    Rain Showers Likely

    • 73
    • 86

    Chance Thunderstorms

    • 74
    • 86

    Chance Thunderstorms

Today 3 Jul Westmoreland

Sunny, hot with Highs around 100. Northwest Winds around 5 Mph. Heat index Values up to 111.

Tonight 3 Jul Westmoreland

Mostly clear. Humid with Lows around 80. Southwest Winds around 5 Mph. Heat index Values up to 110 early in the evening.

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Potomac River - Nomini Bay Temperature Statistics

July Temperature

St Marys County Airport (14.3 miles)

  • Lowest 1 July, 2026

    74.3 °F

  • Average July

    83.2 °F

  • Highest 1 July, 2026

    95.5 °F

Climate (2021–2026)

St Marys County Airport (14.3 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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