Weather in Herndon, Virginia, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Herndon
Tonight |
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Temperature: 40°F Wind Speed: 8 to 12 mph Wind Direction: SW Forecast: Scattered showers and thunderstorms before 9pm, then scattered showers and thunderstorms between 9pm and 11pm, then a chance of rain showers and patchy fog between 11pm and 1am. Mostly cloudy, with a low around 40. Southwest wind 8 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible. |
Thursday |
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Temperature: 48°F Wind Speed: 8 to 25 mph Wind Direction: W Forecast: Partly sunny. High near 48, with temperatures falling to around 42 in the afternoon. West wind 8 to 25 mph, with gusts as high as 46 mph. |
Thursday Night |
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Temperature: 31°F Wind Speed: 12 to 20 mph Wind Direction: NW Forecast: Mostly clear, with a low around 31. Northwest wind 12 to 20 mph, with gusts as high as 37 mph. |
Friday |
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Temperature: 56°F Wind Speed: 9 to 14 mph Wind Direction: W Forecast: Mostly sunny, with a high near 56. West wind 9 to 14 mph, with gusts as high as 25 mph. |
Friday Night |
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Temperature: 38°F Wind Speed: 3 to 8 mph Wind Direction: W Forecast: Mostly cloudy, with a low around 38. West wind 3 to 8 mph. |
Saturday |
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Temperature: 50°F Wind Speed: 7 to 14 mph Wind Direction: NW Forecast: Partly sunny, with a high near 50. |
Saturday Night |
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Temperature: 30°F Wind Speed: 6 to 12 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 30. |
Sunday |
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Temperature: 53°F Wind Speed: 6 to 10 mph Wind Direction: W Forecast: Mostly sunny, with a high near 53. |
Sunday Night |
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Temperature: 34°F Wind Speed: 9 mph Wind Direction: W Forecast: Mostly clear, with a low around 34. |
Monday |
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Temperature: 60°F Wind Speed: 8 to 13 mph Wind Direction: W Forecast: Sunny, with a high near 60. |
Monday Night |
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Temperature: 38°F Wind Speed: 6 to 12 mph Wind Direction: W Forecast: Mostly clear, with a low around 38. |
Tuesday |
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Temperature: 70°F Wind Speed: 6 to 13 mph Wind Direction: SW Forecast: Sunny, with a high near 70. |
Tuesday Night |
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Temperature: 44°F Wind Speed: 7 to 12 mph Wind Direction: SW Forecast: Mostly clear, with a low around 44. |
Wednesday |
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Temperature: 73°F Wind Speed: 6 to 12 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 73. |