Weather in Herndon, Virginia, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Herndon
Overnight |
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Temperature: 69°F Wind Speed: 3 mph Wind Direction: SE Forecast: A slight chance of rain showers before 2am, then patchy fog and a slight chance of rain showers between 2am and 4am, then a chance of rain showers and patchy fog between 4am and 5am, then patchy fog and a slight chance of rain showers. Cloudy, with a low around 69. Southeast wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Friday |
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Temperature: 75°F Wind Speed: 3 to 13 mph Wind Direction: E Forecast: Patchy fog and a slight chance of rain showers before 8am, then rain showers and patchy fog between 8am and 5pm, then a chance of showers and thunderstorms. Cloudy, with a high near 75. East wind 3 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible. |
Friday Night |
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Temperature: 69°F Wind Speed: 7 to 14 mph Wind Direction: SE Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
Saturday |
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Temperature: 82°F Wind Speed: 7 mph Wind Direction: SE Forecast: A chance of rain showers. Mostly sunny, with a high near 82. Southeast wind around 7 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: 7 mph Wind Direction: E Forecast: A slight chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East wind around 7 mph. Chance of precipitation is 50%. |
Sunday |
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Temperature: 74°F Wind Speed: 6 to 9 mph Wind Direction: E Forecast: Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 74. Chance of precipitation is 60%. |
Sunday Night |
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Temperature: 63°F Wind Speed: 9 mph Wind Direction: NE Forecast: Showers and thunderstorms likely. Cloudy, with a low around 63. Chance of precipitation is 60%. |
Monday |
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Temperature: 70°F Wind Speed: 8 mph Wind Direction: NE Forecast: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Chance of precipitation is 50%. |
Monday Night |
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Temperature: 61°F Wind Speed: 7 mph Wind Direction: NE Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%. |
Tuesday |
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Temperature: 73°F Wind Speed: 7 mph Wind Direction: N Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 40%. |
Tuesday Night |
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Temperature: 60°F Wind Speed: 6 mph Wind Direction: N Forecast: A chance of rain showers. Partly cloudy, with a low around 60. Chance of precipitation is 40%. |
Wednesday |
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Temperature: 73°F Wind Speed: 8 mph Wind Direction: NW Forecast: A slight chance of rain showers. Partly sunny, with a high near 73. |
Wednesday Night |
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Temperature: 52°F Wind Speed: 5 to 8 mph Wind Direction: N Forecast: A slight chance of rain showers before 8pm. Mostly clear, with a low around 52. |
Thursday |
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Temperature: 72°F Wind Speed: 7 mph Wind Direction: NW Forecast: Sunny, with a high near 72. |