| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 236 AM PDT Tue Oct 27 2026 | |
| Today: Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the upper 40s to mid 50s. Northwest wind to 10 mph. Gusts to 20 mph in the afternoon. Tonight: Showers likely in the evening, then showers after midnight. Rainfall amounts a quarter to a half inch possible. Lows in the 40s. Southwest wind 10 to 15 mph. Wednesday: Mostly cloudy with showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Rainfall amounts less than a tenth of an inch likely. Highs in the upper 40s to mid 50s. Southwest wind to 10 mph. Wednesday Night: Showers. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the 40s. East wind to 10 mph increasing to 10 to 15 mph after midnight. Thursday: Cloudy with showers likely in the morning, then mostly cloudy with a chance of showers in the afternoon. Rainfall amounts less than a tenth of an inch likely. Highs in the upper 40s to mid 50s. East wind 10 to 15 mph. Thursday Night: Mostly cloudy with a chance of rain showers. Lows near 40. Friday: Partly sunny. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. Highs in the lower 50s. Friday Night: Partly cloudy. A slight chance of showers after midnight. Lows in the lower 40s. Saturday: Partly sunny. Highs near 50. Saturday Night: Partly cloudy. Lows in the lower 40s. Sunday: Partly sunny. Highs in the lower 50s. Sunday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows near 40. Monday: Partly sunny. Highs in the lower 50s. | |
| Zone Forecast: San Juan County | |
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