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: 231 PM PDT Mon Jun 8 2026
Print


Tonight: Rain. Rainfall amounts a quarter to a half inch possible. Lows near 50. Northeast wind to 10 mph becoming west after midnight.

Tuesday: Breezy. Partly sunny with a slight chance of rain until late afternoon, then mostly sunny late in the afternoon. Highs in the 60s. Southwest wind 15 to 25 mph with gusts to 35 mph.

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

Wednesday: Mostly sunny. Highs in the 60s. West wind 10 to 15 mph becoming southwest in the afternoon.

Wednesday Night: Mostly clear. Lows in the mid 40s to lower 50s. Light wind.

Thursday: Sunny. Highs in the mid 60s to lower 70s.

Thursday Night: Mostly clear. Lows near 50.

Friday: Sunny. Highs near 70.

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

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

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

Sunday: Sunny. Highs near 80.

Sunday Night: Mostly clear. Lows near 60.

Monday: Sunny. Highs near 80.







Zone Forecast: San Juan County

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