San Juan Islands Weather
Today
55°F
Chance Rain
10 to 14 mph ESE
Tonight
43°F
Chance Light Rain
5 to 9 mph ENE
Monday
55°F
Mostly Cloudy
1 to 7 mph NNE
Monday Night
42°F
Mostly Cloudy
0 to 3 mph S
Tuesday
53°F
Partly Sunny then Light Rain
0 to 10 mph SSW
Tuesday Night
40°F
Light Rain
3 to 10 mph SW
Wednesday
52°F
Light Rain
3 to 7 mph SSE
Wednesday Night
39°F
Light Rain
7 mph ESE
Thursday
51°F
Light Rain Likely
7 to 10 mph ENE
Thursday Night
38°F
Chance Light Rain
3 to 8 mph NNE
Friday
51°F
Slight Chance Light Rain then Mostly Sunny
3 to 8 mph NNE
Friday Night
38°F
Partly Cloudy
0 to 7 mph N
Saturday
52°F
Mostly Sunny
0 to 6 mph N
Saturday Night
39°F
Mostly Cloudy
0 to 5 mph N
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.