San Juan Islands Weather
Tonight
45°F
Mostly Clear
2 to 6 mph NNW
Wednesday
58°F
Areas Of Fog then Mostly Sunny
1 to 6 mph NW
Wednesday Night
43°F
Mostly Cloudy
5 mph NW
Thursday
56°F
Mostly Cloudy
3 to 12 mph NW
Thursday Night
42°F
Partly Cloudy
3 to 8 mph WNW
Friday
55°F
Sunny
3 to 10 mph NNW
Friday Night
41°F
Partly Cloudy then Chance Light Rain
0 to 3 mph SSE
Saturday
54°F
Chance Light Rain
0 to 10 mph E
Saturday Night
42°F
Chance Light Rain
7 to 10 mph ENE
Sunday
56°F
Slight Chance Light Rain
7 to 12 mph NE
Sunday Night
42°F
Slight Chance Light Rain then Mostly Cloudy
0 to 9 mph NNE
Monday
56°F
Mostly Sunny
0 to 6 mph NNE
Monday Night
42°F
Partly Cloudy
0 to 3 mph N
Tuesday
55°F
Mostly Sunny then Slight Chance Light Rain
0 to 6 mph NNE
Marine weather for the San Juan Islands, Washington — San Juan Island, Friday Harbor, Roche Harbor, Orcas Island, Eastsound, Deer Harbor, Lopez Island, Shaw Island, Stuart Island, Sucia Island, Lummi Island, Rosario Strait, Haro Strait, and Boundary Pass. Wind, tides, and conditions for sailing, boating, kayaking, paddleboarding, fishing, whale watching, and scuba diving.