| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 236 AM PDT Thu Oct 29 2026 |  |
| Today: Cloudy with a chance of rain in the morning, then mostly cloudy with a chance of rain showers in the afternoon. Highs in the upper 40s to mid 50s. Southeast wind 10 to 15 mph. Tonight: Mostly cloudy with a chance of showers in the evening, then partly cloudy with a slight chance of showers after midnight. Partly cloudy in the morning. Lows in the 40s. East wind 10 to 15 mph. Friday: Mostly cloudy. A slight chance of showers in the morning. A slight chance of showers in the afternoon. Highs in the upper 40s to mid 50s. Northeast wind around 10 mph in the morning becoming light. Friday Night: Mostly cloudy. A slight chance of showers in the evening. Lows in the 40s. East wind to 10 mph. Saturday: Mostly sunny. Highs near 50. Light wind becoming northeast to 10 mph in the afternoon. Saturday Night: Partly cloudy. Lows near 40. Sunday: Mostly sunny. Highs in the lower 50s. Sunday Night: Partly cloudy. Lows in the lower to mid 40s. Monday: Mostly cloudy. Highs in the lower 50s. Monday Night: Mostly cloudy. Lows in the lower to mid 40s. Tuesday: Mostly cloudy. Highs near 50. Tuesday Night: Partly cloudy. Lows in the lower to mid 40s. Wednesday: Mostly cloudy. Highs in the lower 50s. | |
| Zone Forecast: San Juan County | |
Visit your local NWS office at: https://www.weather.gov/sew |