Potomac River - Piscataway Creek Entrance Weather Forecast

    • 50
    • 64

    Rain Showers

    • 53
    • 73

    Partly Sunny

    • 65
    • 83

    Partly Sunny

    • 66
    • 86

    Slight Chance Thunderstorms

    • 67
    • 88

    Mostly Sunny

    • 71
    • 90

    Partly Sunny

Today 14 May Prince Georges

Mostly sunny. Highs in the mid 60s. Northwest Winds 10 to 15 Mph.

Tonight 14 May Prince Georges

Mostly cloudy with scattered Showers. Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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Potomac River - Piscataway Creek Entrance Temperature Statistics

May Temperature

Fort Belvoir (7.5 miles)

  • Lowest 1 May, 2026

    37.4 °F

  • Average May

    59.8 °F

  • Highest 5 May, 2026

    85.3 °F

Climate (2021–Present)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.3 °F
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