I-66 weather conditions near Herndon, Virginia
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 62°F 2024-05-17T02:52:00-04:00 - Overnight 2024-05-17, Mostly Cloudy. Mostly cloudy, with a low around 58. Light north wind.
Friday 2024-05-17, Mostly Cloudy then Chance Showers. A chance of showers after 2pm. Mostly cloudy, with a high near 75. Light and variable wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 30%.
Friday Night 2024-05-17, Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Cloudy, with a low around 59. Southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday 2024-05-18, Showers Likely. Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 63. East wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night 2024-05-18, Showers Likely. Showers likely and possibly a thunderstorm. Cloudy, with a low around 56. East wind around 7 mph. Chance of precipitation is 60%.
Sunday 2024-05-19, Chance Showers. A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.- Sunday Night 2024-05-19, Mostly Cloudy. Mostly cloudy, with a low around 54.
Monday 2024-05-20, Mostly Sunny. Mostly sunny, with a high near 74.
Monday Night 2024-05-20, Mostly Clear. Mostly clear, with a low around 53.
Tuesday 2024-05-21, Sunny. Sunny, with a high near 78.
Tuesday Night 2024-05-21, Partly Cloudy. Partly cloudy, with a low around 58.Wednesday 2024-05-22, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Wednesday Night 2024-05-22, Chance T-storms. A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 40%.Thursday 2024-05-23, Mostly Sunny then Chance Showers. A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 40%.