I-66 weather conditions near Washington, District of Columbia
Roadnow AI Agent Live Update
Seasoned Weather Conditions
Current Weather Conditions
click anywhere on map to change location
7 day weather forecast
Current condition: Fog/Mist 75°F 2025-06-18T07:52:00-04:00
Today 2025-06-18, Mostly Sunny then T-storms Likely. Showers and thunderstorms likely, mainly between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 90. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight 2025-06-18, Chance T-storms then Mostly Clear. A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Juneteenth 2025-06-19, Sunny then T-storms. Showers and possibly a thunderstorm after 2pm. High near 94. Heat index values as high as 101. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-06-19, T-storms then Chance Showers. Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 67. Northwest wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday 2025-06-20, Sunny. Sunny, with a high near 87. Northwest wind around 7 mph.
Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 68.
Saturday 2025-06-21, Sunny. Sunny, with a high near 92.
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, Mostly Clear. Mostly clear, with a low around 76.
Monday 2025-06-23, Hot. Sunny and hot, with a high near 99.
Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 79.
Tuesday 2025-06-24, Hot. Sunny and hot, with a high near 100.
Current condition: Fog/Mist 75°F 2025-06-18T07:52:00-04:00 Today 2025-06-18, Mostly Sunny then T-storms Likely. Showers and thunderstorms likely, mainly between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 90. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight 2025-06-18, Chance T-storms then Mostly Clear. A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Juneteenth 2025-06-19, Sunny then T-storms. Showers and possibly a thunderstorm after 2pm. High near 94. Heat index values as high as 101. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-06-19, T-storms then Chance Showers. Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 67. Northwest wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday 2025-06-20, Sunny. Sunny, with a high near 87. Northwest wind around 7 mph.
Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 68.
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.
Monday 2025-06-23, Hot. Sunny and hot, with a high near 99.