


NWS Forecast for: Sumas WA Issued by: National Weather Service Seattle, WA Last Update: 6:47 pm PDT Mar 27, 2025 | |
Tonight: Rain, mainly before 1am. Low around 46. East wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible. Friday: Rain. High near 56. East wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible. Friday Night: Rain. Low around 42. South southeast wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible. Saturday: Rain. High near 52. Southeast wind 5 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible. Saturday Night: A 40 percent chance of rain before 11pm. Mostly cloudy, with a low around 39. Southwest wind around 6 mph becoming calm in the evening. Sunday: Mostly sunny, with a high near 62. Sunday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. Monday: Rain. Mostly cloudy, with a high near 56. Monday Night: Rain. Mostly cloudy, with a low around 41. Tuesday: Rain. Mostly cloudy, with a high near 52. Tuesday Night: A chance of rain. Mostly cloudy, with a low around 39. Wednesday: Rain likely. Mostly cloudy, with a high near 54. Wednesday Night: Rain likely. Mostly cloudy, with a low around 40. Thursday: Rain likely. Mostly cloudy, with a high near 54. | |
Sumas WA 49°N 122.27°W (Elev. 49 ft) | |
Visit your local NWS office at: https://www.weather.gov/sew |