| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 236 AM PDT Sun May 10 2026 |  |
| Today: Mostly cloudy until late afternoon then becoming mostly sunny. Highs in the 60s. Southwest wind to 10 mph increasing to 10 to 15 mph in the afternoon. Tonight: Mostly clear. Lows in the mid 40s to lower 50s. West wind 10 to 15 mph. Monday: Mostly sunny. Highs in the mid 60s to lower 70s. Light wind. Monday Night: Mostly clear. Lows near 50. Light wind. Tuesday: Mostly sunny. Highs in the upper 60s to mid 70s. Light wind. Tuesday Night: Mostly cloudy. A slight chance of rain after midnight. Lows in the lower 50s. Wednesday: Mostly cloudy with a slight chance of rain in the morning, then mostly sunny in the afternoon. Highs near 70. Wednesday Night: Partly cloudy. Lows in the lower 50s. Thursday: Partly sunny. A slight chance of rain in the afternoon. Highs in the mid to upper 60s. Thursday Night: Mostly cloudy in the evening, then partly cloudy with a slight chance of rain after midnight. Lows near 50. Friday: Mostly sunny. A slight chance of rain in the morning. Highs in the lower to mid 60s. Friday Night: Partly cloudy in the evening then becoming mostly cloudy. A slight chance of rain. Lows in the upper 40s. Saturday: Partly sunny. A slight chance of rain in the morning. Highs in the lower to mid 60s. | |
| Zone Forecast: San Juan County | |
Visit your local NWS office at: https://www.weather.gov/sew |