National Harbor Weather Forecast

    • 58
    • 88

    Chance Rain Showers

    • 55
    • 74

    Mostly Sunny

    • 61
    • 79

    Chance Rain Showers

    • 67
    • 83

    Chance Rain Showers

    • 67
    • 86

    Partly Sunny

    • 68
    • 86

    Slight Chance Thunderstorms

Today 20 May Prince Georges

Mostly sunny. A chance of Showers in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the upper 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 20 May Prince Georges

Partly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Lows in the upper 50s. Northwest Winds around 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

National Harbor Temperature Statistics

May Temperature

Washington/Reagan National Airport, DC (4.3 miles)

  • Lowest 13 May, 2019

    50 °F
  • Average May

    65.5 °F
  • Highest 2 May, 2019

    86 °F

Climate (2010–Present)

Washington/Reagan National Airport, DC (4.3 miles)

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  • Average Low 2010–Present

    51.2 °F
  • Average 2010–Present

    58.6 °F
  • Average High 2010–Present

    66.7 °F
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