Potomac River - Gunston Cove Weather Forecast

    • 56
    • 75

    Chance Rain Showers

    • 54
    • 84

    Rain Showers Likely

    • 47
    • 64

    Chance Rain Showers

    • 49
    • 67

    Partly Sunny

Today 9 May Charles

Mostly cloudy. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 70s. Southwest Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 9 May Charles

Partly cloudy. Lows in the lower 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Gunston Cove Temperature Statistics

May Temperature

Fort Belvoir (3.7 miles)

  • Lowest 1 May, 2026

    37.4 °F

  • Average May

    60 °F

  • Highest 5 May, 2026

    85.3 °F

Climate (2021–Present)

Fort Belvoir (3.7 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.3 °F
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