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: Fair 80°F 2024-06-22T01:52:00-04:00 
Overnight 2024-06-22, Mostly Clear. Mostly clear, with a low around 75. South wind around 5 mph.
Saturday 2024-06-22, Hot. Sunny and hot, with a high near 100. Heat index values as high as 107. South wind 5 to 8 mph.- Saturday Night 2024-06-22, Partly Cloudy. Partly cloudy, with a low around 80. South wind 6 to 8 mph.
Sunday 2024-06-23, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 98. Heat index values as high as 104. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Sunday Night 2024-06-23, Showers Likely. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 77. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.Monday 2024-06-24, Chance Showers then Chance T-storms. A chance of showers and thunderstorms. Sunny, with a high near 93. Chance of precipitation is 30%.
Monday Night 2024-06-24, Chance T-storms then Clear. A chance of thunderstorms before 8pm. Mostly clear, with a low around 72. Chance of precipitation is 30%.
Tuesday 2024-06-25, Sunny. Sunny, with a high near 92.- Tuesday Night 2024-06-25, Mostly Clear. Mostly clear, with a low around 73.
- Wednesday 2024-06-26, Hot. Mostly sunny and hot, with a high near 99.
Wednesday Night 2024-06-26, Chance T-storms. A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.Thursday 2024-06-27, Chance Showers then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night 2024-06-27, Chance T-storms then Mostly Clear. A chance of thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
- Friday 2024-06-28, Sunny. Sunny, with a high near 90.