Weather Forecast for San Juan Islands
Washington, United States of America
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Current Weather - San Juan Islands: 16°C
Current Weather - San Juan Islands: 16°C
Washington, United States of America
Patchy rain nearby
Feels like 14°C
Wind
16 km/h SSE
Humidity
82%
Pressure
1020 mb
UV Index
2
Visibility
10 km
Sunny
Monday, September 07, 2026
High
17°C
Low
13°C
Rain Chance
61%
Hourly Forecast
15°C
14°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
23 km/h
Humidity
83%
Precipitation
1 mm
UV Index
4
Visibility
10 km
Rain Chance
61%
Snow Chance
0%
Sun & Moon
Sunrise
06:37 AM
Sunset
07:42 PM
Moonrise
01:26 AM
Moonset
06:07 PM
Moon Phase
Waning Crescent
Moon Illumination
12%
Air Quality
PM2.5
5.9
μg/m³
PM10
7.7
μg/m³
NO₂
6.5
μg/m³
O₃
65.2
μg/m³
SO₂
0.7
μg/m³
CO
132.2
μg/m³
Sunny
Tuesday, September 08, 2026
High
17°C
Low
12°C
Rain Chance
12%
Hourly Forecast
13°C
13°C
13°C
13°C
13°C
13°C
12°C
12°C
13°C
14°C
15°C
15°C
16°C
16°C
17°C
17°C
17°C
17°C
16°C
16°C
15°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
7 km/h
Humidity
84%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
12%
Snow Chance
0%
Sun & Moon
Sunrise
06:39 AM
Sunset
07:40 PM
Moonrise
02:53 AM
Moonset
06:34 PM
Moon Phase
Waning Crescent
Moon Illumination
6%
Air Quality
PM2.5
10.1
μg/m³
PM10
11.8
μg/m³
NO₂
14
μg/m³
O₃
55.2
μg/m³
SO₂
2.6
μg/m³
CO
157.8
μg/m³
Sunny
Wednesday, September 09, 2026
High
18°C
Low
13°C
Rain Chance
15%
Hourly Forecast
13°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
14°C
14°C
15°C
16°C
17°C
17°C
18°C
18°C
18°C
17°C
16°C
15°C
13°C
13°C
14°C
Day Statistics
Maximum Wind
13 km/h
Humidity
84%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
15%
Snow Chance
0%
Sun & Moon
Sunrise
06:40 AM
Sunset
07:38 PM
Moonrise
04:23 AM
Moonset
06:56 PM
Moon Phase
New Moon
Moon Illumination
2%
Air Quality
PM2.5
13.3
μg/m³
PM10
13.6
μg/m³
NO₂
20.9
μg/m³
O₃
67.4
μg/m³
SO₂
4.9
μg/m³
CO
166.4
μg/m³
Sunny
Thursday, September 10, 2026
High
16°C
Low
13°C
Rain Chance
14%
Hourly Forecast
14°C
14°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
14°C
15°C
15°C
15°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
14°C
14°C
14°C
13°C
Day Statistics
Maximum Wind
22 km/h
Humidity
83%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
14%
Snow Chance
0%
Sun & Moon
Sunrise
06:42 AM
Sunset
07:36 PM
Moonrise
05:51 AM
Moonset
07:15 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
5.8
μg/m³
PM10
7
μg/m³
NO₂
5.8
μg/m³
O₃
59
μg/m³
SO₂
0.9
μg/m³
CO
169.7
μg/m³
Sunny
Friday, September 11, 2026
High
15°C
Low
12°C
Rain Chance
36%
Hourly Forecast
12°C
12°C
13°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
13°C
13°C
13°C
14°C
14°C
15°C
15°C
14°C
13°C
12°C
12°C
12°C
12°C
Day Statistics
Maximum Wind
25 km/h
Humidity
83%
Precipitation
0 mm
UV Index
4
Visibility
9 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:43 AM
Sunset
07:33 PM
Moonrise
07:16 AM
Moonset
07:32 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
4.5
μg/m³
PM10
6.1
μg/m³
NO₂
6.9
μg/m³
O₃
52.5
μg/m³
SO₂
0.9
μg/m³
CO
229.7
μg/m³
Sunny
Saturday, September 12, 2026
High
15°C
Low
11°C
Rain Chance
60%
Hourly Forecast
12°C
12°C
12°C
12°C
11°C
11°C
11°C
12°C
12°C
12°C
12°C
13°C
14°C
14°C
15°C
15°C
15°C
14°C
13°C
13°C
12°C
12°C
12°C
12°C
Day Statistics
Maximum Wind
11 km/h
Humidity
84%
Precipitation
2 mm
UV Index
5
Visibility
10 km
Rain Chance
60%
Snow Chance
0%
Sun & Moon
Sunrise
06:44 AM
Sunset
07:31 PM
Moonrise
08:40 AM
Moonset
07:49 PM
Moon Phase
New Moon
Moon Illumination
3%
Sunny
Sunday, September 13, 2026
High
17°C
Low
11°C
Rain Chance
9%
Hourly Forecast
12°C
12°C
11°C
11°C
11°C
11°C
11°C
11°C
11°C
12°C
13°C
13°C
14°C
15°C
16°C
16°C
17°C
17°C
16°C
15°C
14°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
12 km/h
Humidity
78%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
06:46 AM
Sunset
07:29 PM
Moonrise
10:03 AM
Moonset
08:08 PM
Moon Phase
Waxing Crescent
Moon Illumination
8%
Solar Radiation Data
Shortwave Radiation
67.36
Diffuse Radiation
37.7
DNI
0
GTI
0
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