I-5 weather conditions near Mount Vernon, Washington
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Clear 82°F 2025-08-12T20:00:00 
Tonight 2025-08-12, Mostly Clear. Mostly clear, with a low around 59. Calm wind becoming east northeast around 6 mph after midnight.
Wednesday 2025-08-13, Mostly Sunny. Mostly sunny, with a high near 74. Light south southwest wind becoming west southwest 6 to 11 mph in the morning.
Wednesday Night 2025-08-13, Increasing Clouds. Increasing clouds, with a low around 57. South wind 5 to 8 mph.
Thursday 2025-08-14, Mostly Cloudy. Mostly cloudy, with a high near 71. South wind 3 to 6 mph.
Thursday Night 2025-08-14, Rain Likely. Rain likely, mainly after 11pm. Cloudy, with a low around 59. Light and variable wind becoming southeast 6 to 11 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday 2025-08-15, Rain. Rain. High near 68. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night 2025-08-15, Showers. Showers and possibly a thunderstorm before 11pm, then rain after 11pm. Low around 60. Chance of precipitation is 100%.
Saturday 2025-08-16, Rain. Rain. Mostly cloudy, with a high near 71.
Saturday Night 2025-08-16, Chance Rain. A chance of rain. Mostly cloudy, with a low around 57.Sunday 2025-08-17, Chance Rain then Mostly Sunny. A chance of rain before 11am. Partly sunny, with a high near 73.
Sunday Night 2025-08-17, Partly Cloudy. Partly cloudy, with a low around 53.- Monday 2025-08-18, Partly Sunny. Partly sunny, with a high near 73.
- Monday Night 2025-08-18, Mostly Cloudy. Mostly cloudy, with a low around 54.
- Tuesday 2025-08-19, Mostly Sunny. Mostly sunny, with a high near 73.