Potomac River - Hallowing Point Weather Forecast

    • 33
    • 43

    Mostly Sunny

    • 51
    • 58

    Rain Showers

    • 46
    • 63

    Rain Showers

    • 35
    • 52

    Partly Sunny

    • 43
    • 54

    Partly Sunny

    • 37
    • 58

    Chance Rain

Today 3 Mar Charles

Sunny. Highs in the mid 40s. North Winds around 5 Mph, becoming west this afternoon.

Tonight 3 Mar Charles

Mostly clear. Lows around 30. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Hallowing Point Temperature Statistics

March Temperature

Fort Belvoir (6.2 miles)

  • Lowest 1 March, 2025

    29.7 °F

  • Average March

    49.3 °F

  • Highest 1 March, 2025

    66.4 °F

Climate (2020–Present)

Fort Belvoir (6.2 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    68.2 °F
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