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 70°F 2025-09-12T22:52:00-04:00 
Tonight 2025-09-12, Clear. Clear, with a low around 59. Calm wind.
Saturday 2025-09-13, Sunny. Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night 2025-09-13, Mostly Clear. Mostly clear, with a low around 62. South wind 3 to 6 mph.
Sunday 2025-09-14, Mostly Sunny. Mostly sunny, with a high near 87. Light south wind.- Sunday Night 2025-09-14, Partly Cloudy. Partly cloudy, with a low around 65. Light south wind.
- Monday 2025-09-15, Mostly Sunny. Mostly sunny, with a high near 85.
- Monday Night 2025-09-15, Partly Cloudy. Partly cloudy, with a low around 64.
- Tuesday 2025-09-16, Mostly Sunny. Mostly sunny, with a high near 81.
Tuesday Night 2025-09-16, Mostly Cloudy. Mostly cloudy, with a low around 62.
Wednesday 2025-09-17, Partly Sunny. Partly sunny, with a high near 79.- Wednesday Night 2025-09-17, Mostly Cloudy. Mostly cloudy, with a low around 62.
- Thursday 2025-09-18, Mostly Sunny. Mostly sunny, with a high near 80.
- Thursday Night 2025-09-18, Partly Cloudy. Partly cloudy, with a low around 63.
- Friday 2025-09-19, Mostly Sunny. Mostly sunny, with a high near 84.