Potomac River - Hallowing Point Weather Forecast

    • 43
    • 63

    Sunny

    • 47
    • 62

    Mostly Sunny

    • 56
    • 66

    Partly Sunny

    • 55
    • 72

    Rain Showers Likely

    • 51
    • 64

    Slight Chance Rain Showers

    • 53
    • 67

    Mostly Sunny

Today 16 Oct Charles

Sunny. Highs in the lower 60s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 16 Oct Charles

Clear. Lows in the upper 30s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

Potomac River - Hallowing Point Temperature Statistics

October Temperature

Fort Belvoir (6.2 miles)

  • Lowest 10 October, 2025

    41.2 °F

  • Average October

    61.9 °F

  • Highest 6 October, 2025

    83.1 °F

Climate (2020–Present)

Fort Belvoir (6.2 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.4 °F
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