Potomac River - Hallowing Point Weather Forecast

    • 56
    • 72

    Becoming Sunny

    • 48
    • 66

    Mostly Sunny

    • 61
    • 69

    Partly Sunny

    • 63
    • 78

    Mostly Cloudy

    • 67
    • 84

    Partly Sunny

    • 69
    • 87

    Mostly Cloudy

Today 10 Apr Charles

Patchy fog this morning. Sunny. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 10 Apr Charles

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. South Winds 5 to 10 Mph, becoming west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Hallowing Point Temperature Statistics

April Temperature

Fort Belvoir (6.2 miles)

  • Lowest 7 April, 2026

    42.3 °F

  • Average April

    62.8 °F

  • Highest 1 April, 2026

    88.5 °F

Climate (2021–Present)

Fort Belvoir (6.2 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.3 °F
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