Potomac River - Hallowing Point Weather Forecast

    • 34
    • 41

    Decreasing Clouds

    • 29
    • 51

    Partly Sunny

    • 13
    • 40

    Mostly Cloudy

    • 15
    • 19

    Snow

    • 15
    • 20

    Snow Likely

    • 6
    • 26

    Mostly Sunny

Today 21 Jan Charles

Sunny. Highs in the lower 40s. South Winds 10 to 15 Mph.

Tonight 21 Jan Charles

Partly cloudy. Lows in the lower 30s. South Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Hallowing Point Temperature Statistics

January Temperature

Fort Belvoir (6.2 miles)

  • Lowest 19 January, 2026

    18.1 °F

  • Average January

    38.2 °F

  • Highest 7 January, 2026

    64 °F

Climate (2021–Present)

Fort Belvoir (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.2 °F
Get WillyWeather+ to remove ads