| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 230 AM PDT Thu Aug 28 2025 | |
| Today: Cloudy. A chance of showers in the morning. Highs in the upper 60s to mid 70s. Light wind. Tonight: Mostly cloudy in the evening then becoming partly cloudy. Patchy fog in the morning. Lows in the mid 50s to lower 60s. Light wind. Friday: Mostly sunny. Patchy fog in the morning. Highs in the upper 60s to mid 70s. Light wind. Friday Night: Partly cloudy. Lows in the 50s. Light wind. Saturday: Mostly sunny. Highs in the upper 60s to mid 70s. Light wind. Saturday Night: Mostly cloudy in the evening then becoming partly cloudy. A chance of rain. Lows in the 50s. Sunday: Mostly sunny. A slight chance of rain in the morning. Highs in the lower to mid 70s. Sunday Night: Partly cloudy. Lows in the 50s. Labor Day: Mostly sunny. Patchy fog in the morning. Highs in the lower to mid 70s. Monday Night: Mostly clear. Lows in the 50s. Tuesday: Sunny. Patchy fog in the morning. Highs in the mid to upper 70s. Tuesday Night: Mostly clear. Lows in the mid to upper 50s. Wednesday: Sunny. Highs in the mid to upper 70s. | |
| Zone Forecast: San Juan County | |
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