Weather Forecast for San Juan Islands
Washington, United States of America
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Current Weather - San Juan Islands: 12°C
Current Weather - San Juan Islands: 12°C
Washington, United States of America
Smoky haze
Feels like 11°C
Wind
8 km/h NNE
Humidity
81%
Pressure
1016 mb
UV Index
0
Visibility
7 km
Mist
Thursday, September 24, 2026
High
14°C
Low
12°C
Rain Chance
83%
Hourly Forecast
13°C
13°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
Day Statistics
Maximum Wind
14 km/h
Humidity
86%
Precipitation
3 mm
UV Index
1
Visibility
4 km
Rain Chance
83%
Snow Chance
0%
Sun & Moon
Sunrise
07:01 AM
Sunset
07:06 PM
Moonrise
06:19 PM
Moonset
04:56 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
79.5
μg/m³
PM10
82.8
μg/m³
NO₂
35.7
μg/m³
O₃
38.2
μg/m³
SO₂
6.6
μg/m³
CO
318.6
μg/m³
Patchy rain nearby
Friday, September 25, 2026
High
13°C
Low
11°C
Rain Chance
89%
Hourly Forecast
12°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
11°C
11°C
12°C
12°C
13°C
13°C
13°C
12°C
12°C
12°C
12°C
Day Statistics
Maximum Wind
39 km/h
Humidity
88%
Precipitation
18 mm
UV Index
2
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
07:03 AM
Sunset
07:04 PM
Moonrise
06:33 PM
Moonset
06:05 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
19.4
μg/m³
PM10
21.4
μg/m³
NO₂
13.9
μg/m³
O₃
64
μg/m³
SO₂
2.5
μg/m³
CO
258.8
μg/m³
Smoky haze
Saturday, September 26, 2026
High
14°C
Low
10°C
Rain Chance
17%
Hourly Forecast
12°C
11°C
11°C
11°C
11°C
11°C
10°C
10°C
10°C
10°C
11°C
11°C
12°C
12°C
13°C
13°C
14°C
14°C
14°C
13°C
12°C
12°C
11°C
11°C
Day Statistics
Maximum Wind
22 km/h
Humidity
78%
Precipitation
0 mm
UV Index
3
Visibility
5 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
07:04 AM
Sunset
07:02 PM
Moonrise
06:47 PM
Moonset
07:14 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
75.7
μg/m³
PM10
80.7
μg/m³
NO₂
17.7
μg/m³
O₃
75.8
μg/m³
SO₂
5.2
μg/m³
CO
131.2
μg/m³
Smoky haze
Sunday, September 27, 2026
High
14°C
Low
10°C
Rain Chance
16%
Hourly Forecast
11°C
11°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
11°C
12°C
13°C
13°C
13°C
14°C
14°C
14°C
14°C
14°C
12°C
12°C
12°C
11°C
11°C
Day Statistics
Maximum Wind
15 km/h
Humidity
74%
Precipitation
0 mm
UV Index
3
Visibility
3 km
Rain Chance
16%
Snow Chance
0%
Sun & Moon
Sunrise
07:05 AM
Sunset
07:00 PM
Moonrise
07:02 PM
Moonset
08:25 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Air Quality
PM2.5
119.3
μg/m³
PM10
124.4
μg/m³
NO₂
35.2
μg/m³
O₃
70.2
μg/m³
SO₂
8.3
μg/m³
CO
558.4
μg/m³
Smoky haze
Monday, September 28, 2026
High
13°C
Low
10°C
Rain Chance
17%
Hourly Forecast
11°C
11°C
11°C
10°C
10°C
10°C
10°C
10°C
11°C
11°C
12°C
12°C
12°C
13°C
13°C
13°C
13°C
13°C
13°C
12°C
12°C
12°C
12°C
12°C
Day Statistics
Maximum Wind
12 km/h
Humidity
78%
Precipitation
0 mm
UV Index
4
Visibility
7 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
07:07 AM
Sunset
06:58 PM
Moonrise
07:21 PM
Moonset
09:38 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Air Quality
PM2.5
50.6
μg/m³
PM10
53.3
μg/m³
NO₂
15.6
μg/m³
O₃
48.2
μg/m³
SO₂
2.4
μg/m³
CO
513.5
μg/m³
Overcast
Tuesday, September 29, 2026
High
13°C
Low
11°C
Rain Chance
79%
Hourly Forecast
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
13°C
13°C
13°C
13°C
13°C
12°C
12°C
12°C
12°C
11°C
11°C
11°C
11°C
Day Statistics
Maximum Wind
10 km/h
Humidity
82%
Precipitation
3 mm
UV Index
3
Visibility
10 km
Rain Chance
79%
Snow Chance
0%
Sun & Moon
Sunrise
07:08 AM
Sunset
06:55 PM
Moonrise
07:44 PM
Moonset
10:54 AM
Moon Phase
Waning Gibbous
Moon Illumination
84%
Sunny
Wednesday, September 30, 2026
High
15°C
Low
11°C
Rain Chance
78%
Hourly Forecast
11°C
11°C
11°C
11°C
11°C
11°C
11°C
11°C
11°C
12°C
13°C
13°C
14°C
14°C
15°C
15°C
15°C
15°C
14°C
13°C
13°C
13°C
12°C
12°C
Day Statistics
Maximum Wind
40 km/h
Humidity
81%
Precipitation
9 mm
UV Index
4
Visibility
10 km
Rain Chance
78%
Snow Chance
0%
Sun & Moon
Sunrise
07:10 AM
Sunset
06:53 PM
Moonrise
08:16 PM
Moonset
12:12 PM
Moon Phase
Waning Gibbous
Moon Illumination
75%
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