| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 236 AM PDT Mon Jun 15 2026 | |
Today: Mostly cloudy until late afternoon then becoming mostly sunny. Highs in the upper 70s to mid 80s. Light wind becoming south to 10 mph in the afternoon. Tonight: Mostly clear. Lows in the mid 50s to lower 60s. Southwest wind 10 to 20 mph with gusts to 30 mph. Tuesday: Sunny. Highs in the upper 60s to mid 70s. Southwest wind 10 to 20 mph with gusts to 30 mph. Tuesday Night: Mostly clear. Lows in the lower to mid 50s. Southwest wind 10 to 20 mph. Gusts to 30 mph in the evening. Wednesday: Sunny. Highs in the mid 60s to lower 70s. Light wind. Wednesday Night: Mostly clear. Lows in the lower to mid 50s. Thursday: Sunny. Highs in the lower to mid 70s. Thursday Night: Mostly clear. Lows in the mid to upper 50s. Juneteenth: Sunny. Highs in the lower to mid 70s. Friday Night: Mostly clear. Lows in the mid to upper 50s. Saturday: Sunny. Highs in the lower to mid 70s. Saturday Night: Mostly clear. Lows in the mid to upper 50s. Sunday: Sunny. Highs in the lower to mid 70s. | |
| Zone Forecast: San Juan County | |
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