San Juan Islands Weather
This Afternoon
55°F
Mostly Sunny
1 to 5 mph W
Tonight
42°F
Mostly Cloudy
5 mph WSW
Tuesday
53°F
Mostly Cloudy then Light Rain
1 to 10 mph W
Tuesday Night
39°F
Light Rain
2 to 10 mph SW
Wednesday
52°F
Light Rain
5 mph E
Wednesday Night
39°F
Light Rain
3 to 8 mph ENE
Thursday
51°F
Light Rain Likely
7 to 10 mph ENE
Thursday Night
39°F
Chance Light Rain
0 to 9 mph NNE
Friday
51°F
Partly Sunny
0 to 7 mph NNE
Friday Night
38°F
Partly Cloudy
0 to 3 mph N
Saturday
51°F
Partly Sunny
0 to 5 mph NNE
Saturday Night
40°F
Mostly Cloudy
2 mph N
Sunday
52°F
Partly Sunny
0 to 6 mph ESE
Sunday Night
39°F
Mostly Cloudy
0 to 5 mph SSE
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.