| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 838 PM PDT Mon Oct 5 2026 | |
| Rest Of Tonight: Partly cloudy late in the evening then becoming mostly cloudy. Areas of fog after midnight. Lows in the mid 40s to lower 50s. Light wind. Tuesday: Cloudy. Areas of fog in the morning. Highs near 60. Light wind. Tuesday Night: Mostly cloudy. Lows in the mid 40s to lower 50s. Light wind. Wednesday: Partly sunny. Highs in the upper 50s to mid 60s. Light wind. Wednesday Night: Mostly clear. Lows in the mid 40s to lower 50s. Light wind. Thursday: Mostly sunny. Highs in the lower to mid 60s. Thursday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows near 50. Friday: Partly sunny. A chance of rain in the morning, then a slight chance of rain in the afternoon. Highs in the lower 60s. Friday Night: Mostly cloudy with a slight chance of rain. Lows in the mid to upper 40s. Saturday: Partly sunny. Highs near 60. Saturday Night: Mostly clear. Lows in the mid to upper 40s. Sunday: Sunny. Highs in the upper 50s. Sunday Night: Mostly clear. Lows in the 40s. Columbus Day: Sunny. Highs in the upper 50s. | |
| Zone Forecast: San Juan County | |
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