San Juan Islands Weather
Overnight
41°F
Mostly Clear
3 mph NNW
Sunday
51°F
Sunny
0 to 3 mph N
Sunday Night
39°F
Areas Of Fog
0 mph
Monday
51°F
Areas Of Fog then Cloudy
0 to 3 mph N
Monday Night
43°F
Cloudy
0 mph
Tuesday
54°F
Mostly Cloudy
0 to 6 mph NNW
Tuesday Night
42°F
Mostly Cloudy
0 to 3 mph NNW
Wednesday
54°F
Light Rain Likely
0 to 8 mph SE
Wednesday Night
44°F
Light Rain Likely
6 mph SSE
Thursday
54°F
Chance Light Rain
3 to 9 mph S
Thursday Night
44°F
Light Rain Likely
5 to 12 mph SSE
Friday
54°F
Light Rain Likely
10 to 15 mph S
Friday Night
43°F
Mostly Cloudy then Slight Chance Light Rain
1 to 10 mph SSE
Saturday
54°F
Chance Light Rain
3 to 9 mph ESE
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.