| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 236 AM PDT Wed Jul 22 2026 |  |
| Today: Sunny. Patchy smoke. Highs in the upper 70s to mid 80s. Light wind. Tonight: Partly cloudy. Patchy smoke in the evening. Lows in the mid 50s to lower 60s. Light wind becoming south to 10 mph with gusts to 20 mph after midnight. Thursday: Mostly cloudy in the morning then becoming mostly sunny. Highs in the 70s to lower 80s. South wind 10 to 15 mph. Thursday Night: Mostly clear. Lows in the mid 50s to lower 60s. Southwest wind 10 to 15 mph decreasing to 10 mph or less after midnight. Friday: Sunny. Highs in the upper 60s to mid 70s. Light wind becoming south around 10 mph in the afternoon. Friday Night: Mostly clear. Lows in the 50s. Saturday: Partly sunny with a slight chance of showers. Highs in the lower to mid 70s. Saturday Night: Mostly cloudy with a slight chance of showers. Lows in the 50s. Sunday: Mostly cloudy with a chance of showers. Highs in the mid 60s to lower 70s. Sunday Night: Mostly cloudy with a slight chance of showers. Lows in the lower to mid 50s. Monday: Partly sunny with a slight chance of showers. Highs near 70. Monday Night: Partly cloudy with a slight chance of showers in the evening, then mostly cloudy after midnight. Lows in the lower to mid 50s. Tuesday: Mostly sunny. Highs near 70. | |
| Zone Forecast: San Juan County | |
Visit your local NWS office at: https://www.weather.gov/sew |