Potomac River - Sycamore Point Weather Forecast

    • 59
    • 80

    Mostly Sunny

    • 57
    • 82

    Chance Rain Showers

    • 42
    • 61

    Rain Showers

    • 37
    • 53

    Mostly Sunny

    • 52
    • 61

    Partly Sunny

    • 55
    • 73

    Slight Chance Thunderstorms

Today 17 Apr Charles

Mostly sunny. Isolated Showers this morning. Highs in the lower 80s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 17 Apr Charles

Mostly clear. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Sycamore Point Temperature Statistics

April Temperature

Fort Belvoir (6.2 miles)

  • Lowest 9 April, 2026

    34.9 °F

  • Average April

    60 °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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