San Juan Islands Weather
Overnight
43°F
Mostly Clear
12 mph NNW
Friday
54°F
Sunny
3 to 10 mph NNW
Friday Night
40°F
Partly Cloudy
1 to 5 mph ESE
Saturday
53°F
Mostly Cloudy then Chance Light Rain
3 to 9 mph ENE
Saturday Night
41°F
Light Rain Likely
5 to 9 mph NNE
Sunday
54°F
Light Rain Likely
5 to 8 mph NNE
Sunday Night
42°F
Chance Light Rain
5 to 8 mph N
Monday
54°F
Slight Chance Light Rain
3 to 8 mph N
Monday Night
42°F
Mostly Cloudy
0 to 3 mph W
Tuesday
54°F
Partly Sunny then Slight Chance Light Rain
0 to 5 mph SSE
Tuesday Night
40°F
Chance Light Rain
0 to 3 mph SSE
Wednesday
54°F
Slight Chance Light Rain
0 to 8 mph N
Wednesday Night
40°F
Slight Chance Light Rain
1 to 7 mph NNE
Thursday
54°F
Slight Chance Light Rain then Mostly Sunny
3 to 8 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.