I-90 weather conditions near Issaquah, Washington
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Overnight 2025-10-17, Chance Rain. A 40 percent chance of rain. Mostly cloudy, with a low around 50. South wind around 6 mph.Friday 2025-10-17, Chance Rain then Mostly Sunny. A 50 percent chance of rain between 11am and noon. Cloudy through mid morning, then gradual clearing, with a high near 61. South wind around 5 mph becoming calm in the morning.
Friday Night 2025-10-17, Mostly Clear. Mostly clear, with a low around 43. Calm wind.
Saturday 2025-10-18, Chance Rain. A 50 percent chance of rain after 11am. Cloudy, with a high near 58. Calm wind.
Saturday Night 2025-10-18, Rain. Rain. Low around 49. Light south wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 28 mph. 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 5pm. High near 60. Chance of precipitation is 90%. 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 and possibly a thunderstorm. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Monday 2025-10-20, Slight Chance Showers then Partly Sunny. A slight chance of showers before 11am. Mostly cloudy, with a high near 62.
Monday Night 2025-10-20, Chance Rain. A chance of rain between 11pm and midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 48.
Tuesday 2025-10-21, Chance Showers. A chance of showers. Mostly cloudy, with a high near 61.
Tuesday Night 2025-10-21, Chance Showers. A chance of showers. Mostly cloudy, with a low around 45.- Wednesday 2025-10-22, Chance Showers. A chance of showers. Mostly cloudy, with a high near 61.
- Wednesday Night 2025-10-22, Rain Likely. Rain likely. Mostly cloudy, with a low around 50.
Thursday 2025-10-23, Rain Likely. Rain likely. Cloudy, with a high near 63.