Potomac River - Stony Bar Weather Forecast

    • 73
    • 79

    Partly Sunny

    • 71
    • 82

    Chance Rain Showers

    • 68
    • 73

    Chance Rain Showers

    • 65
    • 73

    Rain Showers Likely

    • 64
    • 68

    Chance Rain Showers

    • 63
    • 68

    Chance Rain Showers

Today 19 Sep Westmoreland

Partly sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 19 Sep Westmoreland

Partly cloudy. Lows in the upper 60s. Southeast Winds 5 to 10 Mph.

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Potomac River - Stony Bar Temperature Statistics

September Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (11.8 miles)

  • Lowest 16 September, 2026

    59 °F

  • Average September

    76.5 °F

  • Highest 1 September, 2026

    91.9 °F

Climate (2021–2026)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (11.8 miles)

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  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    68.6 °F
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