Weather Forecast for San Juan Islands
Washington, United States of America
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Current Weather - San Juan Islands: 13°C
Current Weather - San Juan Islands: 13°C
Washington, United States of America
Overcast
Feels like 12°C
Wind
8 km/h SSW
Humidity
96%
Pressure
1020 mb
UV Index
2
Visibility
16 km
Mist
Friday, July 03, 2026
High
19°C
Low
13°C
Rain Chance
20%
Hourly Forecast
18°C
16°C
15°C
15°C
14°C
Day Statistics
Maximum Wind
20 km/h
Humidity
85%
Precipitation
0 mm
UV Index
6
Visibility
7 km
Rain Chance
20%
Snow Chance
0%
Sun & Moon
Sunrise
05:15 AM
Sunset
09:17 PM
Moonrise
11:29 PM
Moonset
09:11 AM
Moon Phase
Waning Gibbous
Moon Illumination
79%
Air Quality
PM2.5
4.3
μg/m³
PM10
6
μg/m³
NO₂
9
μg/m³
O₃
36.3
μg/m³
SO₂
1.5
μg/m³
CO
97.2
μg/m³
Sunny
Saturday, July 04, 2026
High
17°C
Low
12°C
Rain Chance
10%
Hourly Forecast
14°C
13°C
13°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
13°C
13°C
14°C
14°C
15°C
15°C
16°C
17°C
16°C
16°C
16°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
26 km/h
Humidity
79%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
10%
Snow Chance
0%
Sun & Moon
Sunrise
05:16 AM
Sunset
09:16 PM
Moonrise
11:42 PM
Moonset
10:19 AM
Moon Phase
Waning Gibbous
Moon Illumination
70%
Air Quality
PM2.5
3.7
μg/m³
PM10
5.3
μg/m³
NO₂
4.2
μg/m³
O₃
47.7
μg/m³
SO₂
1.1
μg/m³
CO
90.8
μg/m³
Sunny
Sunday, July 05, 2026
High
17°C
Low
12°C
Rain Chance
9%
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
15°C
16°C
17°C
17°C
17°C
17°C
16°C
16°C
16°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
14 km/h
Humidity
79%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
05:17 AM
Sunset
09:16 PM
Moonrise
11:56 PM
Moonset
11:26 AM
Moon Phase
Last Quarter
Moon Illumination
60%
Air Quality
PM2.5
6.3
μg/m³
PM10
7.4
μg/m³
NO₂
11.1
μg/m³
O₃
52
μg/m³
SO₂
2.8
μg/m³
CO
93.6
μg/m³
Sunny
Monday, July 06, 2026
High
18°C
Low
12°C
Rain Chance
9%
Hourly Forecast
13°C
13°C
12°C
12°C
12°C
12°C
12°C
13°C
14°C
15°C
16°C
16°C
17°C
18°C
18°C
18°C
17°C
16°C
17°C
16°C
16°C
15°C
15°C
14°C
Day Statistics
Maximum Wind
21 km/h
Humidity
75%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
05:17 AM
Sunset
09:15 PM
Moonrise
Does not rise today
Moonset
12:35 PM
Moon Phase
Last Quarter
Moon Illumination
49%
Air Quality
PM2.5
7.2
μg/m³
PM10
8.6
μg/m³
NO₂
12.2
μg/m³
O₃
58
μg/m³
SO₂
1.5
μg/m³
CO
133.9
μg/m³
Sunny
Tuesday, July 07, 2026
High
15°C
Low
12°C
Rain Chance
14%
Hourly Forecast
13°C
13°C
13°C
13°C
12°C
12°C
12°C
12°C
13°C
13°C
13°C
14°C
14°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
28 km/h
Humidity
81%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
14%
Snow Chance
0%
Sun & Moon
Sunrise
05:18 AM
Sunset
09:15 PM
Moonrise
12:09 AM
Moonset
01:45 PM
Moon Phase
Last Quarter
Moon Illumination
39%
Air Quality
PM2.5
3.9
μg/m³
PM10
5.4
μg/m³
NO₂
4.7
μg/m³
O₃
53.3
μg/m³
SO₂
0.7
μg/m³
CO
107
μg/m³
Sunny
Wednesday, July 08, 2026
High
16°C
Low
12°C
Rain Chance
60%
Hourly Forecast
14°C
13°C
13°C
13°C
13°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
13°C
12°C
12°C
14°C
15°C
16°C
16°C
15°C
15°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
30 km/h
Humidity
81%
Precipitation
1 mm
UV Index
5
Visibility
8 km
Rain Chance
60%
Snow Chance
0%
Sun & Moon
Sunrise
05:19 AM
Sunset
09:14 PM
Moonrise
12:25 AM
Moonset
03:00 PM
Moon Phase
Waning Crescent
Moon Illumination
28%
Sunny
Thursday, July 09, 2026
High
15°C
Low
11°C
Rain Chance
8%
Hourly Forecast
12°C
12°C
12°C
12°C
11°C
11°C
11°C
12°C
12°C
13°C
13°C
13°C
14°C
14°C
15°C
15°C
15°C
15°C
15°C
14°C
14°C
13°C
13°C
12°C
Day Statistics
Maximum Wind
24 km/h
Humidity
75%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
8%
Snow Chance
0%
Sun & Moon
Sunrise
05:20 AM
Sunset
09:14 PM
Moonrise
12:44 AM
Moonset
04:19 PM
Moon Phase
Waning Crescent
Moon Illumination
19%
Solar Radiation Data
Shortwave Radiation
84.08
Diffuse Radiation
45.85
DNI
663.75
GTI
302.9
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