7-Day Forecast Summary
7-Day Detailed Weather Forecast for National Harbor
This Afternoon |
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Temperature: 92°F Wind Speed: 8 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a high near 92. Northwest wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
Tonight |
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Temperature: 72°F Wind Speed: 1 to 7 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before 7pm, then scattered showers and thunderstorms between 7pm and 8pm, then scattered showers and thunderstorms between 8pm and 10pm, then scattered showers and thunderstorms. Mostly cloudy, with a low around 72. West wind 1 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible. |
Saturday |
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Temperature: 84°F Wind Speed: 6 mph Wind Direction: N Forecast: A chance of rain showers before 5pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 84. North wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Saturday Night |
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Temperature: 66°F Wind Speed: 1 to 5 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Northeast wind 1 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Sunday |
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Temperature: 82°F Wind Speed: 7 mph Wind Direction: NE Forecast: Mostly sunny, with a high near 82. Northeast wind around 7 mph. |
Sunday Night |
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Temperature: 62°F Wind Speed: 0 to 6 mph Wind Direction: NE Forecast: Partly cloudy, with a low around 62. |
Labor Day |
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Temperature: 83°F Wind Speed: 3 mph Wind Direction: E Forecast: Sunny, with a high near 83. |
Monday Night |
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Temperature: 62°F Wind Speed: 3 mph Wind Direction: S Forecast: Mostly clear, with a low around 62. |
Tuesday |
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Temperature: 85°F Wind Speed: 1 to 5 mph Wind Direction: SW Forecast: Sunny, with a high near 85. |
Tuesday Night |
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Temperature: 64°F Wind Speed: 6 mph Wind Direction: S Forecast: Partly cloudy, with a low around 64. |
Wednesday |
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Temperature: 88°F Wind Speed: 6 to 9 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 88. |
Wednesday Night |
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Temperature: 72°F Wind Speed: 9 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 72. |
Thursday |
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Temperature: 90°F Wind Speed: 7 to 14 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 20%. |
Thursday Night |
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Temperature: 68°F Wind Speed: 6 to 12 mph Wind Direction: NW Forecast: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68. |

