Potomac River - Belle Haven Marina Weather Forecast

    • 61
    • 82

    Mostly Sunny

    • 69
    • 87

    Mostly Sunny

    • 71
    • 90

    Rain Showers

    • 69
    • 84

    Rain Showers Likely

    • 69
    • 89

    Partly Sunny

    • 70
    • 92

    Mostly Sunny

Today 24 Jun Arlington/Falls Church/Alexandria

Sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 24 Jun Arlington/Falls Church/Alexandria

Mostly clear. Lows in the lower 60s. Southwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Potomac River - Belle Haven Marina Temperature Statistics

June Temperature

Washington/Reagan National Airport, DC (5 miles)

  • Lowest 2 June, 2026

    55.7 °F

  • Average June

    78.3 °F

  • Highest 12 June, 2026

    100.7 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (5 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    69.2 °F
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