Weather Forecast for San Juan Islands
Washington, United States of America
Share this weather forecast
Current Weather - San Juan Islands: 14°C
Current Weather - San Juan Islands: 14°C
Washington, United States of America
Overcast
Feels like 14°C
Wind
6 km/h SW
Humidity
82%
Pressure
1020 mb
UV Index
1
Visibility
16 km
Sunny
Monday, August 10, 2026
High
22°C
Low
11°C
Rain Chance
10%
Hourly Forecast
22°C
22°C
19°C
17°C
15°C
14°C
Day Statistics
Maximum Wind
22 km/h
Humidity
79%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
10%
Snow Chance
0%
Sun & Moon
Sunrise
05:58 AM
Sunset
08:35 PM
Moonrise
02:28 AM
Moonset
07:36 PM
Moon Phase
New Moon
Moon Illumination
4%
Air Quality
PM2.5
5.8
μg/m³
PM10
8.1
μg/m³
NO₂
5.4
μg/m³
O₃
59.3
μg/m³
SO₂
0.9
μg/m³
CO
92.5
μg/m³
Sunny
Tuesday, August 11, 2026
High
17°C
Low
13°C
Rain Chance
11%
Hourly Forecast
14°C
14°C
14°C
14°C
13°C
13°C
13°C
14°C
14°C
15°C
15°C
16°C
16°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
16°C
15°C
15°C
Day Statistics
Maximum Wind
15 km/h
Humidity
82%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
11%
Snow Chance
0%
Sun & Moon
Sunrise
06:00 AM
Sunset
08:34 PM
Moonrise
03:55 AM
Moonset
08:09 PM
Moon Phase
New Moon
Moon Illumination
1%
Air Quality
PM2.5
2.9
μg/m³
PM10
3.8
μg/m³
NO₂
5.5
μg/m³
O₃
41.3
μg/m³
SO₂
1
μg/m³
CO
100.4
μg/m³
Sunny
Wednesday, August 12, 2026
High
19°C
Low
13°C
Rain Chance
12%
Hourly Forecast
15°C
14°C
14°C
14°C
14°C
14°C
13°C
14°C
15°C
15°C
16°C
17°C
17°C
18°C
18°C
19°C
19°C
19°C
18°C
17°C
16°C
15°C
15°C
14°C
Day Statistics
Maximum Wind
13 km/h
Humidity
83%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
12%
Snow Chance
0%
Sun & Moon
Sunrise
06:01 AM
Sunset
08:32 PM
Moonrise
05:26 AM
Moonset
08:34 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
4
μg/m³
PM10
5.3
μg/m³
NO₂
6.4
μg/m³
O₃
43.8
μg/m³
SO₂
1.2
μg/m³
CO
114.5
μg/m³
Sunny
Thursday, August 13, 2026
High
20°C
Low
14°C
Rain Chance
12%
Hourly Forecast
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
15°C
16°C
16°C
17°C
18°C
19°C
20°C
20°C
19°C
18°C
18°C
17°C
15°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
13 km/h
Humidity
84%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
12%
Snow Chance
0%
Sun & Moon
Sunrise
06:03 AM
Sunset
08:30 PM
Moonrise
06:57 AM
Moonset
08:54 PM
Moon Phase
New Moon
Moon Illumination
2%
Air Quality
PM2.5
12
μg/m³
PM10
13.2
μg/m³
NO₂
11
μg/m³
O₃
60
μg/m³
SO₂
1.8
μg/m³
CO
158.3
μg/m³
Sunny
Friday, August 14, 2026
High
18°C
Low
13°C
Rain Chance
16%
Hourly Forecast
14°C
14°C
14°C
14°C
13°C
13°C
13°C
14°C
14°C
15°C
16°C
17°C
17°C
17°C
17°C
18°C
18°C
18°C
17°C
17°C
16°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
18 km/h
Humidity
84%
Precipitation
0 mm
UV Index
5
Visibility
9 km
Rain Chance
16%
Snow Chance
0%
Sun & Moon
Sunrise
06:04 AM
Sunset
08:29 PM
Moonrise
08:24 AM
Moonset
09:12 PM
Moon Phase
Waxing Crescent
Moon Illumination
5%
Air Quality
PM2.5
16.4
μg/m³
PM10
17.2
μg/m³
NO₂
5.5
μg/m³
O₃
73.3
μg/m³
SO₂
1
μg/m³
CO
241.5
μg/m³
Partly Cloudy
Saturday, August 15, 2026
High
17°C
Low
13°C
Rain Chance
15%
Hourly Forecast
15°C
15°C
14°C
14°C
14°C
13°C
14°C
14°C
14°C
14°C
15°C
15°C
15°C
15°C
16°C
16°C
16°C
17°C
17°C
17°C
17°C
16°C
15°C
15°C
Day Statistics
Maximum Wind
22 km/h
Humidity
84%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
15%
Snow Chance
0%
Sun & Moon
Sunrise
06:05 AM
Sunset
08:27 PM
Moonrise
09:48 AM
Moonset
09:28 PM
Moon Phase
Waxing Crescent
Moon Illumination
11%
Sunny
Sunday, August 16, 2026
High
16°C
Low
13°C
Rain Chance
12%
Hourly Forecast
14°C
14°C
14°C
13°C
13°C
13°C
13°C
14°C
14°C
14°C
14°C
15°C
15°C
16°C
16°C
16°C
16°C
16°C
16°C
15°C
15°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
21 km/h
Humidity
84%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
12%
Snow Chance
0%
Sun & Moon
Sunrise
06:07 AM
Sunset
08:25 PM
Moonrise
11:09 AM
Moonset
09:45 PM
Moon Phase
Waxing Crescent
Moon Illumination
18%
Solar Radiation Data
Shortwave Radiation
71.16
Diffuse Radiation
20.19
DNI
0
GTI
0
Your guide to the flawless travel experience
Popular Countries
Get our app
