| NWS Forecast for: Lowlands of Western Whatcom County Issued by: National Weather Service Seattle, WA Last Update: 237 PM PDT Tue Sep 22 2026 | |
| Tonight: Mostly cloudy. A slight chance of rain late in the night. Lows in the upper 40s to mid 50s. South wind 10 to 15 mph decreasing to 10 mph or less after midnight. Wednesday: Partly sunny. Highs in the 60s. South wind to 10 mph becoming southwest in the afternoon. Wednesday Night: Mostly cloudy. Lows in the mid 40s to lower 50s. Light wind. Thursday: Mostly cloudy. A slight chance of rain in the afternoon. Highs in the upper 50s to mid 60s. Light wind becoming northwest to 10 mph in the afternoon. Thursday Night: Rain. Rainfall amounts a quarter to a half inch possible. Lows near 50. Northwest wind 10 to 15 mph becoming west after midnight. Friday: Rain at times in the morning, then showers and a slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Friday Night: Mostly cloudy with a chance of rain. Lows in the mid to upper 40s. Saturday: Partly sunny. A slight chance of rain in the morning. Highs in the lower to mid 60s. Saturday Night: Mostly cloudy. Lows in the 40s. Sunday: Mostly cloudy. Highs in the lower to mid 60s. Sunday Night: Mostly cloudy with a slight chance of rain. Lows in the mid to upper 40s. Monday: Mostly cloudy with a chance of rain. Highs in the lower to mid 60s. Monday Night: Mostly cloudy with a chance of rain. Lows in the upper 40s. Tuesday: Mostly cloudy with a chance of rain. Highs in the 60s. | |
| Zone Forecast: Lowlands of Western Whatcom County | |
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