Potomac River - Hallowing Point Weather Forecast

    • 78
    • 87

    Thunderstorms Likely

    • 73
    • 87

    Rain Showers

    • 72
    • 81

    Slight Chance Thunderstorms

    • 71
    • 86

    Mostly Sunny

    • 70
    • 84

    Mostly Sunny

    • 74
    • 85

    Partly Sunny

    • 76
    • 88

    Slight Chance Thunderstorms

Today 30 Jun Charles

Numerous Showers and Thunderstorms. Highs in the lower 90s. South Winds around 10 Mph. Chance of rain 70 percent.

Tonight 30 Jun Charles

Mostly cloudy with numerous Showers and Thunderstorms in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Hallowing Point Temperature Statistics

June Temperature

Fort Belvoir (6.2 miles)

  • Lowest 1 June, 2025

    42.4 °F

  • Average June

    75.5 °F

  • Highest 24 June, 2025

    99.7 °F

Climate (2020–Present)

Fort Belvoir (6.2 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.4 °F
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