| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 236 PM PDT Sun Apr 19 2026 | |
| Tonight: Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Lows in the mid 40s to lower 50s. Light wind. Monday: Partly sunny. Highs in the lower to mid 60s. Light wind. Monday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s to lower 50s. Light wind. Tuesday: Partly sunny. A slight chance of rain in the morning, then a chance of rain in the afternoon. Highs in the mid 50s to lower 60s. Light wind becoming southwest to 10 mph in the afternoon. Tuesday Night: Mostly cloudy with a chance of rain. Lows in the mid 40s to lower 50s. Southwest wind to 10 mph. Wednesday: Mostly cloudy with a slight chance of rain in the morning, then mostly sunny in the afternoon. Highs in the mid to upper 50s. Wednesday Night: Partly cloudy. Lows in the mid to upper 40s. Thursday: Mostly sunny. Highs in the upper 50s. Thursday Night: Mostly clear. Lows in the mid 40s. Friday: Sunny. Highs near 60. Friday Night: Mostly clear. Lows in the mid to upper 40s. Saturday: Mostly sunny. Highs near 60. Saturday Night: Mostly clear. Lows in the mid to upper 40s. Sunday: Mostly sunny. Highs near 60. | |
| Zone Forecast: San Juan County | |
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