7-Day Zone Forecast for San Juan County (Text-Only)
NWS Forecast for: San Juan County
Issued by: National Weather Service Seattle, WA
Last Update: 236 AM PDT Mon Jun 8 2026


Today: Cloudy in the morning, then a chance of rain early in the afternoon. Cloudy with rain likely late in the afternoon. Rainfall amounts less than a tenth of an inch likely. Highs in the 60s. East wind to 10 mph.

Tonight: Rain at times until early morning, then cloudy with a chance of rain in the morning. Rainfall amounts a quarter to a half inch possible. Lows near 50. Northeast wind to 10 mph in the evening becoming light.

Tuesday: Breezy. Mostly cloudy with a chance of rain in the morning, then mostly cloudy with a slight chance of rain late in the morning. Mostly sunny in the afternoon. Highs in the upper 50s to mid 60s. Southwest wind 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Gusts to 35 mph.

Tuesday Night: Partly cloudy. Lows in the mid 40s to lower 50s. West wind 10 to 20 mph with gusts to 35 mph becoming southwest 10 to 15 mph with gusts to 25 mph after midnight.

Wednesday: Partly sunny in the morning then becoming sunny. Highs in the 60s. Southwest wind 10 to 15 mph.

Wednesday Night: Partly cloudy. Lows near 50.

Thursday: Sunny. Highs in the mid to upper 60s.

Thursday Night: Mostly clear. Lows in the lower 50s.

Friday: Sunny. Highs near 70.

Friday Night: Clear. Lows in the lower to mid 50s.

Saturday: Sunny. Highs in the lower to mid 70s.

Saturday Night: Mostly clear. Lows in the mid to upper 50s.

Sunday: Sunny. Highs near 80.







Zone Forecast: San Juan County

Visit your local NWS office at: https://www.weather.gov/sew