I-66 weather conditions near Washington, District of Columbia
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Light Drizzle Fog/Mist 67°F 2025-06-17T00:52:00-04:00
Overnight 2025-06-17, Isolated Showers and Patchy Fog. Isolated showers. Patchy fog before 5am. Otherwise, cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.
Tuesday 2025-06-17, Scattered Showers and Patchy Fog then Scattered T-storms. Scattered rain before 2pm, then scattered showers and thunderstorms, mainly after 3pm. Patchy fog between 7am and 9am. Otherwise, mostly cloudy, with a high near 82. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Tuesday Night 2025-06-17, Chance T-storms then Chance Showers. Scattered showers and thunderstorms. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Wednesday 2025-06-18, Slight Chance Showers then Showers Likely. A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Southwest wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-06-18, Showers Likely then Mostly Clear. Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph. Chance of precipitation is 60%.
Juneteenth 2025-06-19, Sunny then Showers Likely. Showers likely and possibly a thunderstorm after 2pm. Sunny, with a high near 93. Chance of precipitation is 60%.
Thursday Night 2025-06-19, Showers Likely then Partly Cloudy. Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Friday 2025-06-20, Sunny. Sunny, with a high near 89.
Friday Night 2025-06-20, Partly Cloudy. Partly cloudy, with a low around 68.
Saturday 2025-06-21, Sunny. Sunny, with a high near 90.
Saturday Night 2025-06-21, Partly Cloudy. Partly cloudy, with a low around 72.
Sunday 2025-06-22, Mostly Sunny. Mostly sunny, with a high near 96.
Sunday Night 2025-06-22, Partly Cloudy. Partly cloudy, with a low around 77.
Monday 2025-06-23, Hot. Sunny and hot, with a high near 97.
Current condition: Light Drizzle Fog/Mist 67°F 2025-06-17T00:52:00-04:00 
Overnight 2025-06-17, Isolated Showers and Patchy Fog. Isolated showers. Patchy fog before 5am. Otherwise, cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.Tuesday 2025-06-17, Scattered Showers and Patchy Fog then Scattered T-storms. Scattered rain before 2pm, then scattered showers and thunderstorms, mainly after 3pm. Patchy fog between 7am and 9am. Otherwise, mostly cloudy, with a high near 82. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Tuesday Night 2025-06-17, Chance T-storms then Chance Showers. Scattered showers and thunderstorms. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Wednesday 2025-06-18, Slight Chance Showers then Showers Likely. A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Southwest wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-06-18, Showers Likely then Mostly Clear. Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph. Chance of precipitation is 60%.
Juneteenth 2025-06-19, Sunny then Showers Likely. Showers likely and possibly a thunderstorm after 2pm. Sunny, with a high near 93. Chance of precipitation is 60%.
Thursday Night 2025-06-19, Showers Likely then Partly Cloudy. Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Friday 2025-06-20, Sunny. Sunny, with a high near 89.
Friday Night 2025-06-20, Partly Cloudy. Partly cloudy, with a low around 68.
Sunday 2025-06-22, Mostly Sunny. Mostly sunny, with a high near 96.
Monday 2025-06-23, Hot. Sunny and hot, with a high near 97.