San Juan Islands Weather
This Afternoon
53°F
Chance Light Rain
8 mph ENE
Tonight
41°F
Light Rain Likely
8 mph ENE
Sunday
55°F
Chance Light Rain
8 to 14 mph ESE
Sunday Night
43°F
Slight Chance Light Rain then Mostly Cloudy
5 to 9 mph NE
Monday
54°F
Partly Sunny
1 to 7 mph NNW
Monday Night
42°F
Mostly Cloudy
0 to 3 mph SSW
Tuesday
54°F
Partly Sunny then Chance Light Rain
0 to 9 mph SSW
Tuesday Night
40°F
Light Rain
2 to 9 mph SSW
Wednesday
53°F
Light Rain
2 to 8 mph SE
Wednesday Night
39°F
Light Rain
7 mph ESE
Thursday
52°F
Light Rain Likely
6 to 10 mph E
Thursday Night
38°F
Chance Light Rain
0 to 7 mph NE
Friday
51°F
Slight Chance Light Rain then Partly Sunny
0 to 7 mph NE
Friday Night
38°F
Partly Cloudy
0 to 6 mph NE
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.