Weather Forecast for San Juan Islands
Washington, United States of America
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Current Weather - San Juan Islands: 11°C
Current Weather - San Juan Islands: 11°C
Washington, United States of America
Clear
Feels like 10°C
Wind
10 km/h NNW
Humidity
92%
Pressure
1028 mb
UV Index
0
Visibility
10 km
Partly Cloudy
Thursday, October 15, 2026
High
15°C
Low
11°C
Rain Chance
16%
Hourly Forecast
11°C
12°C
13°C
14°C
14°C
15°C
15°C
15°C
15°C
13°C
12°C
12°C
12°C
12°C
12°C
Day Statistics
Maximum Wind
11 km/h
Humidity
83%
Precipitation
0 mm
UV Index
3
Visibility
9 km
Rain Chance
16%
Snow Chance
0%
Sun & Moon
Sunrise
07:32 AM
Sunset
06:23 PM
Moonrise
01:46 PM
Moonset
09:06 PM
Moon Phase
Waxing Crescent
Moon Illumination
27%
Air Quality
PM2.5
24.1
μg/m³
PM10
24.4
μg/m³
NO₂
51.5
μg/m³
O₃
15.5
μg/m³
SO₂
7.5
μg/m³
CO
216.8
μg/m³
Overcast
Friday, October 16, 2026
High
14°C
Low
11°C
Rain Chance
47%
Hourly Forecast
12°C
12°C
12°C
12°C
11°C
11°C
11°C
11°C
12°C
12°C
13°C
13°C
14°C
14°C
14°C
14°C
13°C
12°C
12°C
13°C
13°C
13°C
13°C
13°C
Day Statistics
Maximum Wind
16 km/h
Humidity
79%
Precipitation
1 mm
UV Index
3
Visibility
10 km
Rain Chance
47%
Snow Chance
0%
Sun & Moon
Sunrise
07:33 AM
Sunset
06:21 PM
Moonrise
02:32 PM
Moonset
10:08 PM
Moon Phase
First Quarter
Moon Illumination
37%
Air Quality
PM2.5
12
μg/m³
PM10
12.5
μg/m³
NO₂
24.5
μg/m³
O₃
36.3
μg/m³
SO₂
3
μg/m³
CO
197.2
μg/m³
Sunny
Saturday, October 17, 2026
High
14°C
Low
10°C
Rain Chance
71%
Hourly Forecast
13°C
12°C
12°C
12°C
12°C
13°C
13°C
12°C
12°C
12°C
12°C
13°C
14°C
14°C
14°C
14°C
14°C
13°C
12°C
11°C
11°C
10°C
10°C
10°C
Day Statistics
Maximum Wind
34 km/h
Humidity
80%
Precipitation
4 mm
UV Index
2
Visibility
9 km
Rain Chance
71%
Snow Chance
0%
Sun & Moon
Sunrise
07:35 AM
Sunset
06:19 PM
Moonrise
03:07 PM
Moonset
11:16 PM
Moon Phase
First Quarter
Moon Illumination
47%
Air Quality
PM2.5
5.2
μg/m³
PM10
8.2
μg/m³
NO₂
3.5
μg/m³
O₃
71.8
μg/m³
SO₂
0.7
μg/m³
CO
122
μg/m³
Overcast
Sunday, October 18, 2026
High
11°C
Low
9°C
Rain Chance
20%
Hourly Forecast
10°C
9°C
9°C
9°C
9°C
9°C
9°C
9°C
9°C
9°C
10°C
10°C
11°C
11°C
11°C
11°C
11°C
11°C
10°C
10°C
10°C
10°C
10°C
10°C
Day Statistics
Maximum Wind
10 km/h
Humidity
82%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
20%
Snow Chance
0%
Sun & Moon
Sunrise
07:36 AM
Sunset
06:17 PM
Moonrise
03:34 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
58%
Air Quality
PM2.5
10.2
μg/m³
PM10
13.1
μg/m³
NO₂
23.8
μg/m³
O₃
43.8
μg/m³
SO₂
5.8
μg/m³
CO
167.7
μg/m³
Overcast
Monday, October 19, 2026
High
11°C
Low
9°C
Rain Chance
32%
Hourly Forecast
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
11°C
11°C
11°C
11°C
11°C
10°C
10°C
9°C
9°C
10°C
10°C
10°C
10°C
10°C
Day Statistics
Maximum Wind
14 km/h
Humidity
80%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
32%
Snow Chance
0%
Sun & Moon
Sunrise
07:38 AM
Sunset
06:15 PM
Moonrise
03:54 PM
Moonset
12:25 AM
Moon Phase
First Quarter
Moon Illumination
68%
Air Quality
PM2.5
8.4
μg/m³
PM10
10.2
μg/m³
NO₂
24.1
μg/m³
O₃
34
μg/m³
SO₂
5.5
μg/m³
CO
197.5
μg/m³
Sunny
Tuesday, October 20, 2026
High
12°C
Low
9°C
Rain Chance
12%
Hourly Forecast
10°C
9°C
9°C
9°C
9°C
10°C
9°C
9°C
9°C
10°C
10°C
11°C
11°C
11°C
12°C
12°C
12°C
11°C
11°C
10°C
10°C
10°C
9°C
9°C
Day Statistics
Maximum Wind
12 km/h
Humidity
77%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
12%
Snow Chance
0%
Sun & Moon
Sunrise
07:39 AM
Sunset
06:13 PM
Moonrise
04:11 PM
Moonset
01:34 AM
Moon Phase
Waxing Gibbous
Moon Illumination
77%
Overcast
Wednesday, October 21, 2026
High
10°C
Low
9°C
Rain Chance
66%
Hourly Forecast
9°C
9°C
9°C
9°C
9°C
9°C
9°C
9°C
9°C
9°C
9°C
10°C
10°C
10°C
10°C
10°C
9°C
9°C
9°C
9°C
9°C
10°C
10°C
10°C
Day Statistics
Maximum Wind
21 km/h
Humidity
82%
Precipitation
1 mm
UV Index
3
Visibility
9 km
Rain Chance
66%
Snow Chance
0%
Sun & Moon
Sunrise
07:41 AM
Sunset
06:12 PM
Moonrise
04:26 PM
Moonset
02:42 AM
Moon Phase
Waxing Gibbous
Moon Illumination
86%
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