San Juan Islands Weather
Today
51°F
Mostly Cloudy
0 to 3 mph NNE
Tonight
43°F
Cloudy then Slight Chance Light Rain
0 mph
Tuesday
53°F
Partly Sunny
0 to 6 mph NNW
Tuesday Night
42°F
Mostly Cloudy
1 mph NNW
Wednesday
54°F
Mostly Cloudy then Light Rain
0 to 7 mph ESE
Wednesday Night
45°F
Light Rain
0 to 6 mph SE
Thursday
55°F
Slight Chance Light Rain
6 to 9 mph SSE
Thursday Night
45°F
Light Rain
6 to 15 mph SE
Friday
55°F
Light Rain
13 to 20 mph SSE
Friday Night
44°F
Chance Light Rain
2 to 13 mph SE
Saturday
56°F
Chance Light Rain
2 to 10 mph E
Saturday Night
46°F
Light Rain Likely
10 mph SSE
Sunday
54°F
Light Rain Likely
6 to 9 mph S
Sunday Night
44°F
Chance Light Rain
0 to 6 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.