| NWS Forecast for: Issaquah WA Issued by: National Weather Service Seattle, WA Last Update: 2:15 pm PDT Apr 21, 2026 |  |
| Tonight: Rain. Low around 50. East southeast wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible. Wednesday: Rain, mainly before noon. High near 56. South southwest wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible. Wednesday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 46. South southwest wind 7 to 9 mph. Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 62. Light and variable wind becoming west northwest around 6 mph in the afternoon. Thursday Night: Mostly clear, with a low around 42. North northwest wind around 5 mph becoming calm in the evening. Friday: Sunny, with a high near 67. Friday Night: Mostly clear, with a low around 42. Saturday: Sunny, with a high near 68. Saturday Night: Mostly clear, with a low around 44. Sunday: Sunny, with a high near 68. Sunday Night: Partly cloudy, with a low around 46. Monday: A slight chance of rain. Mostly sunny, with a high near 67. Monday Night: Partly cloudy, with a low around 45. Tuesday: Mostly sunny, with a high near 69. | |
| Issaquah WA 47.54°N 122.05°W (Elev. 200 ft) | |
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