I-5 weather conditions near Mount Vernon, Washington

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Mist 50°F 2025-10-18T22:00:00
• Tonight 2025-10-18, Rain then Rain Likely. Rain, mainly before 1am. Low around 47. South southeast wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
• Sunday 2025-10-19, Rain. Rain. High near 56. South wind 11 to 16 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
• Sunday Night 2025-10-19, Rain Likely. Rain likely, mainly before 11pm. Mostly cloudy, with a low around 46. West southwest wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
• Monday 2025-10-20, Chance Rain. A 50 percent chance of rain. Mostly cloudy, with a high near 59. South southeast wind 6 to 10 mph.
• Monday Night 2025-10-20, Chance Rain. A 30 percent chance of rain. Mostly cloudy, with a low around 43. East southeast wind around 6 mph.
• Tuesday 2025-10-21, Slight Chance Rain then Mostly Sunny. A 20 percent chance of rain before 11am. Partly sunny, with a high near 61.
• Tuesday Night 2025-10-21, Slight Chance Rain. A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 44.
• Wednesday 2025-10-22, Rain. Rain, mainly after 11am. Cloudy, with a high near 59.
• Wednesday Night 2025-10-22, Rain. Rain. Cloudy, with a low around 49.
• Thursday 2025-10-23, Rain. Rain. Cloudy, with a high near 61.
• Thursday Night 2025-10-23, Rain. Rain. Cloudy, with a low around 50.
• Friday 2025-10-24, Rain. Rain. Cloudy, with a high near 57.
• Friday Night 2025-10-24, Rain. Rain. Cloudy, with a low around 45.
• Saturday 2025-10-25, Rain. Rain. Cloudy, with a high near 56.