| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 236 AM PDT Mon Jul 20 2026 | |
| Today: Partly sunny. Patchy smoke in the afternoon. Highs in the mid 70s to lower 80s. North wind to 10 mph. Tonight: Partly cloudy. Patchy smoke. Lows in the mid 50s to lower 60s. Light wind. Tuesday: Mostly sunny. Patchy smoke. Highs in the upper 70s to mid 80s. Light wind. Tuesday Night: Partly cloudy. Patchy smoke. Lows in the mid 50s to lower 60s. Light wind. Wednesday: Mostly sunny. Patchy smoke. Highs in the 80s. Light wind. Wednesday Night: Partly cloudy. Patchy smoke in the evening. Lows near 60. Thursday: Mostly sunny. Highs in the mid 70s to lower 80s. Thursday Night: Mostly clear. Lows in the mid to upper 50s. Friday: Mostly sunny. Highs near 70. Friday Night: Mostly clear. Lows in the 50s. Saturday: Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid 60s to lower 70s. Saturday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. Sunday: Partly sunny. Highs in the mid 60s to lower 70s. | |
| Zone Forecast: San Juan County | |
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