| NWS Forecast for: Lowlands of Western Whatcom County Issued by: National Weather Service Seattle, WA Last Update: 237 PM PDT Fri May 15 2026 |  |
| Tonight: Mostly cloudy. A slight chance of thunderstorms in the evening. Rain likely. Rainfall amounts a tenth to a quarter of an inch possible, except higher amounts possible in thunderstorms. Lows in the lower to mid 40s. South wind to 10 mph. Saturday: Mostly cloudy. Rain likely in the morning, then a chance of rain late in the morning. A chance of showers and a slight chance of thunderstorms in the afternoon. Rainfall amounts a tenth to a quarter of an inch possible, except higher amounts possible in thunderstorms. Highs in the mid 50s to lower 60s. Southwest wind to 10 mph. Saturday Night: Mostly cloudy. Lows in the 40s. Southwest wind to 10 mph in the evening becoming light. Sunday: Mostly cloudy in the morning then becoming mostly sunny. Highs in the upper 50s to mid 60s. Light wind. Sunday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s. Southwest wind to 10 mph becoming southeast after midnight. Monday: Partly sunny. Highs in the lower to mid 60s. Monday Night: Partly cloudy. Lows in the mid to upper 40s. Tuesday: Partly sunny. Highs in the lower to mid 60s. Tuesday Night: Partly cloudy. Lows in the mid to upper 40s. Wednesday: Partly sunny. Highs in the lower to mid 60s. Wednesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows near 50. Thursday: Partly sunny. Highs in the mid to upper 60s. Thursday Night: Partly cloudy. Lows near 50. Friday: Mostly sunny. Highs in the mid to upper 60s. | |
| Zone Forecast: Lowlands of Western Whatcom County | |
Visit your local NWS office at: https://www.weather.gov/sew |