| NWS Forecast for: Black Diamond WA Issued by: National Weather Service Seattle, WA Last Update: 11:27 pm PDT Apr 10, 2026 |  |
| Today: Rain before 4pm, then a slight chance of rain after 5pm. High near 55. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible. Tonight: A 20 percent chance of rain before 9pm. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 43. Calm wind. Sunday: A 20 percent chance of rain after 11am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 58. Light and variable wind. Sunday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 44. Light and variable wind becoming south southwest around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible. Monday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 52. South southwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible. Monday Night: A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 41. Tuesday: Rain, mainly after 11am. High near 49. Chance of precipitation is 90%. Tuesday Night: Rain. Cloudy, with a low around 35. Wednesday: Rain likely, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 48. Wednesday Night: A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 34. Thursday: A chance of rain. Partly sunny, with a high near 51. Thursday Night: A slight chance of rain. Partly cloudy, with a low around 34. Friday: A slight chance of rain. Mostly sunny, with a high near 56. | |
| Black Diamond WA 47.31°N 122.01°W (Elev. 584 ft) | |
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