Potomac River - Indian Head Weather Forecast

    • 74
    • 87

    Mostly Sunny

    • 70
    • 85

    Rain Showers Likely

    • 71
    • 82

    Rain Showers Likely

    • 72
    • 82

    Chance Rain Showers

    • 71
    • 83

    Slight Chance Thunderstorms

    • 70
    • 82

    Mostly Sunny

Today 19 Aug Charles

Sunny. Highs in the upper 80s. West Winds around 5 Mph.

Tonight 19 Aug Charles

Mostly clear in the Evening, then becoming partly cloudy. Lows around 70. South Winds around 5 Mph, becoming west after midnight.

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Potomac River - Indian Head Temperature Statistics

August Temperature

Fort Belvoir (7.5 miles)

  • Lowest 1 August, 2026

    65.5 °F

  • Average August

    79.7 °F

  • Highest 8 August, 2026

    92.8 °F

Climate (2021–2026)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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