| NWS Forecast for: Lowlands of Western Whatcom County Issued by: National Weather Service Seattle, WA Last Update: 230 PM PDT Mon Sep 29 2025 |  |
| Tonight: Mostly cloudy. Showers in the evening. A slight chance of thunderstorms. A chance of showers after midnight. Patchy fog after midnight. Rainfall amounts a quarter to a half inch possible, except higher amounts possible in thunderstorms. Lows in the upper 40s to mid 50s. South wind 10 to 15 mph becoming southeast 10 to 20 mph with gusts to 30 mph after midnight. Tuesday: Breezy. Partly sunny. Patchy fog in the morning. A chance of showers and a slight chance of thunderstorms in the morning, then a slight chance of rain late in the morning. Showers likely and a slight chance of thunderstorms late in the afternoon. Rainfall amounts less than a tenth of an inch likely, except higher amounts possible in thunderstorms. Highs in the mid 60s to lower 70s. Southeast wind 15 to 25 mph. Tuesday Night: Windy. Rain at times in the evening, then showers and a slight chance of thunderstorms late in the evening. Rain at times after midnight. Patchy fog in the morning. Rainfall amounts a tenth to a quarter of an inch possible, except higher amounts possible in thunderstorms. Lows in the upper 40s to mid 50s. Southeast wind 20 to 30 mph with gusts to 40 mph. Wednesday: Windy. Patchy fog in the morning. Rain at times in the morning, then 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 60s. Southeast wind 20 to 30 mph becoming south 15 to 30 mph in the afternoon. Gusts to 40 mph. Wednesday Night: Windy. Showers and a slight chance of thunderstorms. Patchy fog after midnight. Rainfall amounts a tenth to a quarter of an inch possible, except higher amounts possible in thunderstorms. Lows in the upper 40s to mid 50s. Southeast wind 15 to 25 mph increasing to 20 to 35 mph after midnight. Gusts to 45 mph. Thursday: Windy. Patchy fog in the morning. Showers. Highs in the lower to mid 60s. Thursday Night: Mostly cloudy with showers likely in the evening, then mostly cloudy with a chance of showers after midnight. Lows near 50. Friday: Mostly cloudy with a chance of showers. Highs in the lower to mid 60s. Friday Night: Mostly cloudy with a chance of showers in the evening, then mostly cloudy with showers likely after midnight. Lows near 50. Saturday: Partly sunny with a chance of showers. Highs in the lower to mid 60s. Saturday Night: Partly cloudy. A slight chance of showers in the evening. Lows in the mid 40s. Sunday: Sunny. Highs in the mid to upper 60s. Sunday Night: Mostly clear. Lows in the lower to mid 40s. Monday: Sunny. Highs in the mid to upper 60s. | |
| Zone Forecast: Lowlands of Western Whatcom County | |
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