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Weather for Herndon, VAHerndon, VA Weather & Current Conditions

20170 Weather (Herndon, VA)

Herndon, VA WeatherCurrent Conditions and Weather for Herndon, Virginia
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Mostly Cloudy at Herndon (20170), temperature is 75°F24°C, dew point 72°F22°C, humidity 90%. Wind direction is SSW at 8 mphat 13 km/h with visibility of 10.00 mi16 km. Barometric pressure is 30.12 in1020 mb. Last update: 6:15 pm.*
*Time is approximately 6:15 pm Thu, Sep 17, 2026. Time will be within 15 minutes of current local time. Herndon weather forecast data is updated every 15 minutes.

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Little darling it’s been a long, cold, lonely winter. Little darling it feels like years since it's been here. Here comes the sun (Doo-d-doo-doo) Here comes the sun. And I say, "It's alright". ―The Beatles
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Herndon VA Weather - 6:15 pm

Herndon Weather Forecast

Weather forecast for: Herndon VA
Last Update: 4:53 pm EDT Sep 17, 2026
Tonight: Scattered showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 71. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday: Mostly sunny, with a high near 84. North wind 7 to 9 mph.
Friday Night: Mostly clear, with a low around 62. Northeast wind around 6 mph.
Saturday: Partly sunny, with a high near 79. North wind around 6 mph becoming southeast in the afternoon.
Saturday Night: Mostly cloudy, with a low around 66. Southeast wind around 7 mph.
Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Monday: A slight chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Tuesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Tuesday Night: Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 61. Chance of precipitation is 40%.
Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Thursday: A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 30%.

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