| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 237 PM PDT Mon May 4 2026 | |
| Tonight: Mostly clear. Lows in the mid 40s to lower 50s. Light wind. Tuesday: Sunny. Highs in the 60s. Light wind. Tuesday Night: Mostly clear. Lows in the mid 40s to lower 50s. Light wind. Wednesday: Mostly sunny. Highs in the lower to mid 60s. Light wind becoming south around 10 mph in the afternoon. Wednesday Night: Partly cloudy. Lows in the mid 40s to lower 50s. Southwest wind to 10 mph. Thursday: Mostly sunny. Highs in the lower 60s. Thursday Night: Mostly cloudy. Lows in the upper 40s. Friday: Mostly cloudy. Highs in the lower 60s. Friday Night: Mostly cloudy. Lows in the upper 40s. Saturday: Mostly sunny. Highs in the lower 60s. Saturday Night: Partly cloudy. Lows in the upper 40s. Sunday: Mostly sunny. Highs in the lower to mid 60s. Sunday Night: Partly cloudy. Lows near 50. Monday: Mostly sunny. Highs in the mid 60s. | |
| Zone Forecast: San Juan County | |
Visit your local NWS office at: https://www.weather.gov/sew |