| NWS Forecast for: Lowlands of Western Whatcom County Issued by: National Weather Service Seattle, WA Last Update: 236 PM PDT Fri Jul 17 2026 |  |
| Tonight: Mostly clear until early morning then becoming mostly cloudy. Patchy fog late in the night. Lows in the 50s. Light wind becoming south to 10 mph after midnight. Saturday: Partly sunny in the morning then becoming sunny. Highs in the upper 60s to mid 70s. South wind to 10 mph becoming southwest around 10 mph in the afternoon. Saturday Night: Mostly clear. Patchy fog in the morning. Lows in the 50s. Southwest wind to 10 mph in the evening becoming light. Sunday: Mostly sunny. Patchy fog in the morning. Highs in the 70s. Light wind becoming west to 10 mph in the afternoon. Sunday Night: Mostly clear. Lows in the 50s. West wind to 10 mph in the evening becoming light. Monday: Sunny. Highs in the upper 70s to mid 80s. Monday Night: Partly cloudy. Lows near 60. Tuesday: Mostly sunny. Highs in the 80s. Tuesday Night: Partly cloudy. Lows in the lower 60s. Wednesday: Mostly sunny. Highs in the lower to mid 80s. Wednesday Night: Partly cloudy. Lows in the lower 60s. Thursday: Mostly sunny. Highs in the upper 70s to mid 80s. Thursday Night: Mostly clear. Lows near 60. Friday: Sunny. Highs in the mid 70s to lower 80s. | |
| Zone Forecast: Lowlands of Western Whatcom County | |
Visit your local NWS office at: https://www.weather.gov/sew |