Potomac River - Gunston Cove Weather Forecast

    • 37
    • 53

    Increasing Clouds

    • 49
    • 61

    Mostly Cloudy

    • 56
    • 75

    Rain Likely

    • 33
    • 66

    Chance Rain

    • 33
    • 52

    Mostly Sunny

    • 42
    • 59

    Partly Sunny

    • 49
    • 68

    Partly Sunny

Today 24 Mar Charles

Sunny. Highs in the lower 50s. Southwest Winds around 5 Mph.

Tonight 24 Mar Charles

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 30s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Gunston Cove Temperature Statistics

March Temperature

Fort Belvoir (3.7 miles)

  • Lowest 13 March, 2026

    25.3 °F

  • Average March

    52.2 °F

  • Highest 11 March, 2026

    86.5 °F

Climate (2021–Present)

Fort Belvoir (3.7 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.2 °F
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