I-405 WA weather conditions near Bellevue, Washington
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Clear 46°F 2025-10-18T05:45:00 Today 2025-10-18, Chance Rain then Rain. Rain, mainly after 2pm. High near 54. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight 2025-10-18, Rain. Rain, mainly before 2am, then a chance of showers after 3am. Steady temperature around 52. South southeast wind 7 to 14 mph becoming southwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday 2025-10-19, Showers. Showers, with thunderstorms also possible after 11am. High near 58. South southwest wind 11 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.Sunday Night 2025-10-19, Showers Likely then Chance Showers. Showers likely, mainly before 11pm. Mostly cloudy, with a low around 47. South wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday 2025-10-20, Slight Chance Showers then Mostly Cloudy. A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 59. South wind 3 to 5 mph.
Monday Night 2025-10-20, Chance Showers. A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 47.
Tuesday 2025-10-21, Chance Showers. A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 60.
Tuesday Night 2025-10-21, Chance Showers. A chance of showers. Mostly cloudy, with a low around 47.
Wednesday 2025-10-22, Rain Likely. Rain likely, mainly after 11am. Mostly cloudy, with a high near 60.
Wednesday Night 2025-10-22, Rain. Rain. Cloudy, with a low around 52.- Thursday 2025-10-23, Rain. Rain. Cloudy, with a high near 60.
- Thursday Night 2025-10-23, Rain. Rain. Cloudy, with a low around 50.
- Friday 2025-10-24, Rain. Rain. Cloudy, with a high near 58.