| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 236 AM PDT Mon Jul 6 2026 | |
| Today: Mostly sunny. Highs in the 70s. Light wind. Tonight: Partly cloudy. Lows in the lower to mid 50s. Southwest wind to 10 mph becoming south after midnight. Tuesday: Partly sunny. Highs in the mid 60s to lower 70s. South wind 10 to 15 mph with gusts to 25 mph. Tuesday Night: Mostly cloudy. Lows in the 50s. West wind to 10 mph with gusts to 20 mph becoming southwest after midnight. Wednesday: Mostly sunny. Highs in the upper 60s to mid 70s. Southwest wind to 10 mph increasing to 10 to 15 mph with gusts to 25 mph in the afternoon. Wednesday Night: Partly cloudy. Lows near 50. Thursday: Mostly sunny. Highs near 70. Thursday Night: Partly cloudy. Lows in the lower to mid 50s. Friday: Partly sunny. Highs in the mid 60s to lower 70s. Friday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. Saturday: Mostly sunny. Highs in the mid 60s to lower 70s. Saturday Night: Partly cloudy. Lows in the lower to mid 50s. Sunday: Mostly sunny. Highs in the mid 60s to lower 70s. | |
| Zone Forecast: San Juan County | |
Visit your local NWS office at: https://www.weather.gov/sew |