| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 236 PM PDT Mon Sep 28 2026 | |
Tonight: Breezy, cloudy. A slight chance of rain in the evening, then a chance of rain in the late evening and early morning. Rain likely late in the night. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the upper 40s to mid 50s. South wind 10 to 15 mph becoming southeast 15 to 25 mph after midnight. Tuesday: Breezy. Rain in the morning, then a chance of rain early in the afternoon. A slight chance of rain late in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs in the mid 50s to lower 60s. South wind 15 to 25 mph becoming southwest 10 to 15 mph in the afternoon. Tuesday Night: Partly cloudy. Lows in the mid 40s to lower 50s. Southwest wind 10 to 15 mph becoming west after midnight. Wednesday: Mostly sunny. Patchy fog in the morning. Highs in the mid 50s to lower 60s. Light wind. Wednesday Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the mid 40s to lower 50s. Light wind. Thursday: Mostly cloudy. Patchy fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Highs in the lower 60s. Thursday Night: Mostly cloudy. A chance of rain after midnight. Lows near 50. Friday: Partly sunny. Highs near 60. Friday Night: Partly cloudy. Lows near 50. Saturday: Mostly sunny. Highs in the lower 60s. Saturday Night: Partly cloudy. Lows near 50. Sunday: Mostly sunny. Highs in the lower 60s. Sunday Night: Partly cloudy. Lows near 50. Monday: Partly sunny. Highs in the lower 60s. | |
| Zone Forecast: San Juan County | |
Visit your local NWS office at: https://www.weather.gov/sew |