| NWS Forecast for: Lowlands of Western Whatcom County Issued by: National Weather Service Seattle, WA Last Update: 236 AM PDT Sat Apr 18 2026 |  |
| Today: Mostly sunny. Highs in the upper 50s to mid 60s. Light wind. Tonight: Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid to upper 40s. Light wind. Sunday: Partly sunny. Highs in the mid 60s to lower 70s. Northeast wind to 10 mph becoming northwest in the afternoon. Sunday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s to lower 50s. Northwest wind to 10 mph in the evening becoming light. Monday: Mostly sunny. Highs in the mid 60s to lower 70s. Northeast wind to 10 mph becoming northwest in the afternoon. Monday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows near 50. Tuesday: Partly sunny. A chance of rain in the afternoon. Highs in the 60s. Tuesday Night: Mostly cloudy with a chance of rain. Lows near 50. Wednesday: Mostly cloudy with a chance of rain. Highs near 60. Wednesday Night: Mostly cloudy with a slight chance of rain. Lows in the mid to upper 40s. Thursday: Mostly sunny. Highs in the lower to mid 60s. Thursday Night: Mostly clear. Lows in the mid 40s. Friday: Mostly sunny. Highs in the 60s. | |
| Zone Forecast: Lowlands of Western Whatcom County | |
Visit your local NWS office at: https://www.weather.gov/sew |