| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 237 PM PDT Mon Apr 27 2026 | |
| Tonight: Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s. Southwest wind to 10 mph. Tuesday: Mostly cloudy. A slight chance of rain late in the morning. Highs in the mid to upper 50s. South wind to 10 mph. Tuesday Night: Mostly clear. Lows in the 40s. Light wind. Wednesday: Sunny. Highs near 60. Light wind. Wednesday Night: Partly cloudy. Lows in the 40s. Light wind. Thursday: Partly sunny. Highs in the lower 60s. Thursday Night: Partly cloudy. Lows in the mid to upper 40s. Friday: Partly sunny. Highs near 60. Friday Night: Mostly cloudy. Lows in the upper 40s. Saturday: Mostly sunny. Highs in the lower to mid 60s. Saturday Night: Mostly clear. Lows near 50. Sunday: Sunny. Highs in the mid to upper 60s. Sunday Night: Mostly clear. Lows in the lower 50s. Monday: Sunny. Highs in the upper 60s. | |
| Zone Forecast: San Juan County | |
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