| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 236 PM PDT Mon Jul 6 2026 | |
| 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 upper 60s to mid 70s. South wind 10 to 15 mph with gusts to 25 mph. Tuesday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the 50s. Southwest wind 10 to 15 mph decreasing to 10 mph or less after midnight. Wednesday: Mostly sunny. Highs in the mid 60s to lower 70s. Southwest wind to 10 mph increasing to 10 to 15 mph in the afternoon. Wednesday Night: Partly cloudy. Lows in the upper 40s to mid 50s. Southwest wind 10 to 15 mph. Thursday: Mostly sunny. Highs near 70. Thursday Night: Partly cloudy. Lows in the lower to mid 50s. Friday: Partly sunny. Highs near 70. 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 to upper 60s. Saturday Night: Partly cloudy. Lows in the lower to mid 50s. Sunday: Mostly sunny. Highs near 70. Sunday Night: Mostly clear. Lows in the lower to mid 50s. Monday: Sunny. Highs in the lower to mid 70s. | |
| Zone Forecast: San Juan County | |
Visit your local NWS office at: https://www.weather.gov/sew |