| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 236 AM PDT Tue Oct 20 2026 | |
| Today: Sunny. Highs near 60. North wind 10 to 15 mph. Tonight: Mostly clear. Lows in the 40s. North wind to 10 mph in the evening becoming light. Wednesday: Sunny. Patchy fog in the morning. Highs near 60. Light wind. Wednesday Night: Partly cloudy. Lows in the 40s. Light wind. Thursday: Mostly cloudy. Highs in the 50s. Northwest wind to 10 mph increasing to 10 to 15 mph in the afternoon. Thursday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower to mid 40s. Friday: Mostly sunny. Highs in the mid 50s. Friday Night: Partly cloudy. Lows near 40. Saturday: Mostly cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Highs in the lower to mid 50s. Saturday Night: Mostly cloudy with a chance of rain. Lows near 40. Sunday: Partly sunny with a slight chance of rain. Highs in the mid 50s. Sunday Night: Mostly cloudy in the evening then becoming partly cloudy. A slight chance of rain. Lows near 40. Monday: Partly sunny. Highs in the mid 50s. | |
| Zone Forecast: San Juan County | |
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