| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 236 PM PDT Sun May 24 2026 | |
| Tonight: Mostly cloudy. Lows in the upper 40s to mid 50s. Light wind becoming southeast to 10 mph after midnight. Memorial Day: Breezy, cloudy. A slight chance of rain in the morning, then a chance of rain early in the afternoon. Rain likely late in the afternoon. Rainfall amounts less than a tenth of an inch likely. Highs in the 60s. Southeast wind 15 to 25 mph becoming south in the afternoon. Gusts to 35 mph. Monday Night: Mostly cloudy. A chance of showers in the evening, then showers likely late in the evening. A chance of showers after midnight. Rainfall amounts less than a tenth of an inch likely. Lows in the mid 40s to lower 50s. Light wind. Tuesday: Mostly sunny. Highs in the 60s. Light wind. Tuesday Night: Partly cloudy. Lows near 50. Light wind. Wednesday: Sunny. Highs in the mid 60s to lower 70s. Wednesday Night: Mostly clear. Lows near 50. Thursday: Sunny. Highs near 70. Thursday Night: Partly cloudy. Lows near 50. Friday: Partly sunny. A slight chance of rain in the morning. Highs in the 60s. Friday Night: Partly cloudy. Lows in the upper 40s. Saturday: Mostly sunny. Highs in the lower to mid 60s. Saturday Night: Mostly clear. Lows in the upper 40s. Sunday: Mostly sunny. Highs in the 60s. | |
| Zone Forecast: San Juan County | |
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