I-405 WA weather conditions near Seattle, Washington

Roadnow AI Agent Live Update

7 day weather forecast

• Overnight 2025-10-15, Clear. Clear, with a low around 39. Calm wind.
• Wednesday 2025-10-15, Sunny. Sunny, with a high near 62. Light northwest wind.
• Wednesday Night 2025-10-15, Mostly Clear. Mostly clear, with a low around 43. Light and variable wind.
• Thursday 2025-10-16, Partly Sunny. Partly sunny, with a high near 59. South southwest wind 3 to 7 mph.
• Thursday Night 2025-10-16, Showers Likely. Showers likely, mainly after 11pm. Mostly cloudy, with a low around 51. South wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
• Friday 2025-10-17, Chance Showers. A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 61.
• Friday Night 2025-10-17, Mostly Cloudy. Mostly cloudy, with a low around 47.
• Saturday 2025-10-18, Chance Rain. A chance of rain. Mostly cloudy, with a high near 60.
• Saturday Night 2025-10-18, Rain. Rain. Cloudy, with a low around 50.
• Sunday 2025-10-19, Rain. Rain. Cloudy, with a high near 58.
• Sunday Night 2025-10-19, Showers Likely. Showers likely. Mostly cloudy, with a low around 47.
• Monday 2025-10-20, Chance Showers. A chance of showers. Partly sunny, with a high near 58.
• Monday Night 2025-10-20, Chance Showers. A chance of showers. Mostly cloudy, with a low around 46.
• Tuesday 2025-10-21, Chance Showers. A chance of showers. Mostly cloudy, with a high near 58.