| NWS Forecast for: San Juan County Issued by: National Weather Service Seattle, WA Last Update: 230 AM PDT Wed Mar 18 2026 | |
| Today: Rain at times in the morning, then a chance of rain early in the afternoon. Rain at times late in the afternoon. Rainfall amounts a tenth to a quarter of an inch possible. Highs in the lower to mid 50s. South wind 10 to 15 mph becoming southeast in the afternoon. Tonight: Rain at times in the evening, then rain likely after midnight. Rain at times in the morning. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the mid 40s to lower 50s. Southeast wind 10 to 15 mph. Thursday: Rain at times. Rainfall amounts a tenth to a quarter of an inch possible. Highs in the lower to mid 50s. Southeast wind 10 to 15 mph. Thursday Night: Rain. Rainfall amounts a quarter to a half inch possible. Lows in the 40s. Southeast wind around 10 mph. Friday: Rain in the morning, then rain likely in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs in the lower to mid 50s. Southeast wind around 10 mph becoming south in the afternoon. Friday Night: Mostly cloudy. A chance of rain in the evening, then a slight chance of rain showers after midnight. Lows near 40. Saturday: Mostly sunny. A slight chance of rain showers in the morning. Highs near 50. Saturday Night: Partly cloudy. A slight chance of rain showers after midnight. Lows in the mid to upper 30s. Sunday: Partly sunny. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. Highs in the upper 40s. Sunday Night: Mostly cloudy in the evening, then partly cloudy with a slight chance of rain showers after midnight. Lows in the mid to upper 30s. Monday: Mostly cloudy with a chance of rain showers. Highs in the upper 40s. Monday Night: Mostly cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Lows near 40. Tuesday: Rain likely in the morning, then rain at times in the afternoon. Highs near 50. | |
| Zone Forecast: San Juan County | |
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