| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 130 PM PST Thu Jan 8 2026 | |
| Tonight: Mostly cloudy. A slight chance of rain in the evening. A chance of rain in the late evening and early morning, then a slight chance of rain late in the night. Lows near 40. Southwest wind around 10 mph becoming south after midnight. Friday: Mostly cloudy. A slight chance of rain in the morning. Highs in the mid 40s to lower 50s. Southeast wind 10 to 15 mph. Friday Night: Mostly cloudy. Lows in the upper 30s to mid 40s. East wind around 10 mph. Saturday: Cloudy. A chance of rain in the afternoon. Highs in the mid 40s to lower 50s. Southeast wind 10 to 15 mph. Saturday Night: Rain likely. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the lower to mid 40s. Southeast wind 10 to 15 mph. Sunday: Rain likely in the morning, then rain at times in the afternoon. Highs near 50. Sunday Night: Breezy. Rain at times. Lows in the lower to mid 40s. Monday: Rain at times in the morning, then rain likely in the afternoon. Highs in the lower 50s. Monday Night: Cloudy with rain likely in the evening, then mostly cloudy with a chance of rain after midnight. Lows in the mid to upper 40s. Tuesday: Cloudy. A chance of rain in the morning. Highs in the lower 50s. Tuesday Night: Mostly cloudy. Lows in the lower to mid 40s. Wednesday: Mostly cloudy with a slight chance of rain. Highs in the lower 50s. Wednesday Night: Mostly cloudy. Lows in the lower 40s. Thursday: Partly sunny. Highs in the upper 40s. | |
| Zone Forecast: San Juan County | |
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