Potomac River - Fort Washington Light Weather Forecast

    • 79
    • 100

    Hot

    • 78
    • 100

    Slight Chance Thunderstorms

    • 74
    • 94

    Chance Rain Showers

    • 73
    • 92

    Rain Showers Likely

    • 72
    • 91

    Chance Thunderstorms

    • 73
    • 91

    Slight Chance Thunderstorms

Today 15 Jul Prince Georges

Sunny, hot with Highs around 101. West Winds 5 to 10 Mph. Heat index Values up to 108 in the afternoon.

Tonight 15 Jul Prince Georges

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 70s. West Winds 5 to 10 Mph, becoming northwest after midnight.

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Potomac River - Fort Washington Light Temperature Statistics

July Temperature

Fort Belvoir (7.5 miles)

  • Lowest 12 July, 2026

    68.4 °F

  • Average July

    81.8 °F

  • Highest 4 July, 2026

    101.3 °F

Climate (2021–2026)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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