| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 130 PM PST Sun Feb 8 2026 |  |
| Tonight: Mostly cloudy. A chance of rain late in the night. Lows near 40. Light wind. Monday: Mostly cloudy with rain likely in the morning, then mostly cloudy with a chance of rain in the afternoon. Rainfall amounts less than a tenth of an inch likely. Highs in the mid 40s to lower 50s. South wind to 10 mph increasing to 10 to 15 mph in the afternoon. Monday Night: Mostly cloudy with a chance of rain. Lows near 40. Southeast wind around 10 mph. Tuesday: Partly sunny. A slight chance of rain in the morning. Highs in the mid 40s to lower 50s. Southeast wind to 10 mph in the morning becoming light. Tuesday Night: Mostly clear. Lows in the mid 30s to lower 40s. Light wind. Wednesday: Mostly sunny. Highs in the mid to upper 40s. Wednesday Night: Mostly cloudy. Lows near 40. Thursday: Mostly cloudy. A chance of rain in the afternoon. Highs near 50. Thursday Night: Rain likely. Lows in the lower 40s. Friday: Mostly cloudy with a chance of rain in the morning, then mostly cloudy with rain likely in the afternoon. Highs in the mid to upper 40s. Friday Night: Mostly cloudy with a chance of rain. Lows in the upper 30s. Saturday: Mostly cloudy with a chance of rain. Highs in the mid to upper 40s. Saturday Night: Mostly cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Lows in the mid to upper 30s. Sunday: Mostly cloudy. A chance of rain and snow in the morning, then a slight chance of rain in the afternoon. Highs in the mid 40s. | |
| Zone Forecast: San Juan County | |
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