| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 236 AM PDT Mon Aug 24 2026 | |
| Today: Sunny. Patchy fog in the morning. Highs in the 70s. Light wind becoming north around 10 mph in the afternoon. Tonight: Partly cloudy. Lows in the 50s to lower 60s. Northwest wind to 10 mph in the evening becoming light. Tuesday: Sunny. Highs in the 70s to lower 80s. Light wind. Tuesday Night: Mostly clear. Lows in the 50s. South wind to 10 mph. Wednesday: Mostly sunny. Highs in the mid 60s to lower 70s. South wind around 10 mph. Wednesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. Thursday: Mostly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs near 70. Thursday Night: Partly cloudy. Lows in the lower to mid 50s. Friday: Mostly sunny. Highs near 70. Friday Night: Partly cloudy with a slight chance of rain. Lows in the lower to mid 50s. Saturday: Partly sunny. A slight chance of rain in the morning. Highs in the mid to upper 60s. Saturday Night: Partly cloudy. Lows near 50. Sunday: Mostly sunny. Highs in the mid to upper 60s. | |
| Zone Forecast: San Juan County | |
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