Weather Forecast for San Juan Islands
Washington, United States of America
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Current Weather - San Juan Islands: 9°C
Current Weather - San Juan Islands: 9°C
Washington, United States of America
Overcast
Feels like 8°C
Wind
9 km/h N
Humidity
100%
Pressure
1010 mb
UV Index
0
Visibility
16 km
Patchy rain nearby
Tuesday, May 26, 2026
High
16°C
Low
8°C
Rain Chance
87%
Hourly Forecast
13°C
14°C
15°C
14°C
13°C
13°C
13°C
13°C
13°C
12°C
12°C
11°C
11°C
Day Statistics
Maximum Wind
9 km/h
Humidity
84%
Precipitation
1 mm
UV Index
6
Visibility
10 km
Rain Chance
87%
Snow Chance
0%
Sun & Moon
Sunrise
05:19 AM
Sunset
08:59 PM
Moonrise
04:35 PM
Moonset
02:56 AM
Moon Phase
Waxing Gibbous
Moon Illumination
83%
Air Quality
PM2.5
5.7
μg/m³
PM10
7.6
μg/m³
NO₂
9.9
μg/m³
O₃
61.3
μg/m³
SO₂
2.2
μg/m³
CO
132.9
μg/m³
Sunny
Wednesday, May 27, 2026
High
16°C
Low
10°C
Rain Chance
0%
Hourly Forecast
11°C
11°C
11°C
11°C
11°C
11°C
11°C
12°C
12°C
13°C
14°C
14°C
15°C
15°C
16°C
16°C
16°C
16°C
15°C
14°C
13°C
13°C
13°C
12°C
Day Statistics
Maximum Wind
14 km/h
Humidity
79%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:18 AM
Sunset
09:00 PM
Moonrise
05:52 PM
Moonset
03:12 AM
Moon Phase
Waxing Gibbous
Moon Illumination
90%
Air Quality
PM2.5
10.3
μg/m³
PM10
11.4
μg/m³
NO₂
14.2
μg/m³
O₃
64
μg/m³
SO₂
3.1
μg/m³
CO
156.8
μg/m³
Sunny
Thursday, May 28, 2026
High
16°C
Low
11°C
Rain Chance
0%
Hourly Forecast
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
14°C
14°C
15°C
16°C
16°C
16°C
16°C
15°C
15°C
15°C
15°C
14°C
13°C
13°C
12°C
Day Statistics
Maximum Wind
15 km/h
Humidity
82%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:17 AM
Sunset
09:01 PM
Moonrise
07:08 PM
Moonset
03:31 AM
Moon Phase
Waxing Gibbous
Moon Illumination
96%
Air Quality
PM2.5
12.4
μg/m³
PM10
14.3
μg/m³
NO₂
16.5
μg/m³
O₃
64
μg/m³
SO₂
3.3
μg/m³
CO
136.4
μg/m³
Partly Cloudy
Friday, May 29, 2026
High
15°C
Low
11°C
Rain Chance
0%
Hourly Forecast
12°C
12°C
12°C
12°C
11°C
11°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
13°C
14°C
14°C
13°C
13°C
13°C
12°C
11°C
11°C
11°C
Day Statistics
Maximum Wind
36 km/h
Humidity
80%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:16 AM
Sunset
09:02 PM
Moonrise
08:22 PM
Moonset
03:53 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
5.6
μg/m³
PM10
7.9
μg/m³
NO₂
4.2
μg/m³
O₃
69.2
μg/m³
SO₂
1.5
μg/m³
CO
115.5
μg/m³
Partly Cloudy
Saturday, May 30, 2026
High
12°C
Low
10°C
Rain Chance
0%
Hourly Forecast
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
11°C
11°C
11°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
11°C
11°C
11°C
10°C
Day Statistics
Maximum Wind
31 km/h
Humidity
70%
Precipitation
0 mm
UV Index
0
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:15 AM
Sunset
09:03 PM
Moonrise
09:32 PM
Moonset
04:23 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
8.6
μg/m³
PM10
13.5
μg/m³
NO₂
2.5
μg/m³
O₃
76.1
μg/m³
SO₂
1.5
μg/m³
CO
121.8
μg/m³
Sunny
Sunday, May 31, 2026
High
16°C
Low
9°C
Rain Chance
0%
Hourly Forecast
10°C
9°C
9°C
9°C
9°C
9°C
9°C
10°C
10°C
11°C
12°C
12°C
13°C
14°C
14°C
15°C
15°C
15°C
15°C
14°C
13°C
13°C
12°C
11°C
Day Statistics
Maximum Wind
16 km/h
Humidity
67%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:15 AM
Sunset
09:04 PM
Moonrise
10:33 PM
Moonset
05:01 AM
Moon Phase
Full Moon
Moon Illumination
99%
Sunny
Monday, June 01, 2026
High
17°C
Low
10°C
Rain Chance
0%
Hourly Forecast
11°C
11°C
11°C
11°C
10°C
11°C
11°C
12°C
13°C
13°C
14°C
15°C
16°C
16°C
16°C
17°C
17°C
17°C
16°C
16°C
15°C
14°C
14°C
13°C
Day Statistics
Maximum Wind
8 km/h
Humidity
67%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
09:05 PM
Moonrise
11:22 PM
Moonset
05:50 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
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