Weather in Herndon, Virginia, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Herndon
This Afternoon |
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Temperature: 69°F Wind Speed: 6 mph Wind Direction: E Forecast: Isolated rain showers. Cloudy, with a high near 69. East wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Tonight |
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Temperature: 66°F Wind Speed: 2 to 6 mph Wind Direction: E Forecast: Isolated rain showers before 11pm, then patchy fog and scattered rain showers. Mostly cloudy, with a low around 66. East wind 2 to 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Tuesday |
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Temperature: 83°F Wind Speed: 3 to 7 mph Wind Direction: SE Forecast: Patchy fog and scattered rain showers before 11am, then isolated showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Southeast wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
Tuesday Night |
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Temperature: 71°F Wind Speed: 6 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible. |
Wednesday |
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Temperature: 91°F Wind Speed: 3 to 8 mph Wind Direction: SW Forecast: A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 91. Southwest wind 3 to 8 mph. Chance of precipitation is 70%. |
Wednesday Night |
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Temperature: 73°F Wind Speed: 7 mph Wind Direction: SW Forecast: Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 70%. |
Juneteenth |
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Temperature: 92°F Wind Speed: 6 to 12 mph Wind Direction: SW Forecast: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%. |
Thursday Night |
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Temperature: 67°F Wind Speed: 6 to 10 mph Wind Direction: W Forecast: Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 67. Chance of precipitation is 60%. |
Friday |
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Temperature: 88°F Wind Speed: 7 mph Wind Direction: W Forecast: Sunny, with a high near 88. |
Friday Night |
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Temperature: 67°F Wind Speed: 2 to 6 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 67. |
Saturday |
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Temperature: 89°F Wind Speed: 2 to 7 mph Wind Direction: W Forecast: Mostly sunny, with a high near 89. |
Saturday Night |
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Temperature: 70°F Wind Speed: 7 mph Wind Direction: S Forecast: Partly cloudy, with a low around 70. |
Sunday |
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Temperature: 95°F Wind Speed: 7 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 95. |
Sunday Night |
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Temperature: 75°F Wind Speed: 3 to 7 mph Wind Direction: W Forecast: Partly cloudy, with a low around 75. |