Potomac River - Marbury Point Weather Forecast

    • 71
    • 93

    Mostly Sunny

    • 73
    • 95

    Partly Sunny

    • 60
    • 93

    Rain Showers

    • 55
    • 68

    Rain Showers Likely

    • 57
    • 65

    Rain Showers Likely

    • 62
    • 74

    Rain Showers Likely

Today 18 May District of Columbia

Sunny, hot with Highs in the mid 90s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 18 May District of Columbia

Mostly clear. Lows in the lower 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Marbury Point Temperature Statistics

May Temperature

Washington/Reagan National Airport, DC (1.9 miles)

  • Lowest 1 May, 2026

    44.7 °F

  • Average May

    62.7 °F

  • Highest 5 May, 2026

    86.6 °F

Climate (2021–Present)

Washington/Reagan National Airport, DC (1.9 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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