| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 131 PM PST Wed Jan 21 2026 | |
| Tonight: Partly cloudy in the evening then becoming mostly cloudy. Lows in the 30s. Light wind. Thursday: Partly sunny in the morning then becoming cloudy. Highs in the lower to mid 40s. Light wind. Thursday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the 30s. Light wind. Friday: Sunny. Highs in the lower to mid 40s. North wind to 10 mph. Friday Night: Mostly clear. Lows in the lower to mid 30s. North wind around 10 mph in the evening becoming light. Saturday: Mostly sunny. Highs in the lower 40s. Saturday Night: Partly cloudy. Lows in the lower to mid 30s. Sunday: Mostly sunny. Highs in the lower 40s. Sunday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s. Monday: Mostly cloudy with a slight chance of rain and snow. Highs in the lower to mid 40s. Monday Night: Mostly cloudy with a slight chance of rain and snow. Lows in the mid to upper 30s. Tuesday: Mostly cloudy. A slight chance of rain and snow in the morning, then a slight chance of rain in the afternoon. Highs in the mid to upper 40s. Tuesday Night: Mostly cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Lows near 40. Wednesday: Mostly cloudy with a chance of rain. Highs in the upper 40s. | |
| Zone Forecast: San Juan County | |
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