San Juan Islands Weather
Today
52°F
Chance Light Rain
8 to 14 mph SE
Tonight
39°F
Chance Light Rain then Mostly Cloudy
2 to 7 mph E
Friday
50°F
Chance Light Rain
7 mph ESE
Friday Night
39°F
Slight Chance Light Rain then Mostly Cloudy
0 to 5 mph ENE
Saturday
51°F
Mostly Sunny
0 to 6 mph N
Saturday Night
40°F
Partly Cloudy
0 to 6 mph N
Sunday
51°F
Mostly Sunny
0 to 5 mph N
Sunday Night
39°F
Partly Cloudy
0 mph
Monday
51°F
Mostly Cloudy then Slight Chance Light Rain
0 to 6 mph ENE
Monday Night
41°F
Slight Chance Light Rain
0 to 3 mph N
Tuesday
52°F
Mostly Cloudy
0 to 6 mph N
Tuesday Night
41°F
Mostly Cloudy
0 to 5 mph N
Wednesday
53°F
Partly Sunny then Slight Chance Light Rain
0 to 6 mph NNE
Wednesday Night
42°F
Slight Chance Light Rain
2 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.