Weather Forecast for San Juan Islands
Washington, United States of America
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Current Weather - San Juan Islands: 14°C
Current Weather - San Juan Islands: 14°C
Washington, United States of America
Sunny
Feels like 11°C
Wind
12 km/h NNW
Humidity
67%
Pressure
1018 mb
UV Index
3
Visibility
10 km
Overcast
Sunday, September 27, 2026
High
15°C
Low
11°C
Rain Chance
13%
Hourly Forecast
12°C
11°C
Day Statistics
Maximum Wind
13 km/h
Humidity
75%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
13%
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
20.3
μg/m³
PM10
22.3
μg/m³
NO₂
19
μg/m³
O₃
61
μg/m³
SO₂
5.1
μg/m³
CO
129.5
μg/m³
Overcast
Monday, September 28, 2026
High
14°C
Low
10°C
Rain Chance
21%
Hourly Forecast
11°C
11°C
11°C
10°C
10°C
10°C
11°C
11°C
11°C
11°C
11°C
12°C
12°C
13°C
13°C
13°C
13°C
14°C
14°C
14°C
14°C
14°C
14°C
13°C
Day Statistics
Maximum Wind
21 km/h
Humidity
75%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
21%
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
18.8
μg/m³
PM10
20.6
μg/m³
NO₂
13.4
μg/m³
O₃
55.8
μg/m³
SO₂
2.1
μg/m³
CO
139.8
μg/m³
Light drizzle
Tuesday, September 29, 2026
High
14°C
Low
12°C
Rain Chance
88%
Hourly Forecast
13°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
14°C
14°C
14°C
13°C
12°C
12°C
12°C
12°C
12°C
Day Statistics
Maximum Wind
38 km/h
Humidity
87%
Precipitation
18 mm
UV Index
2
Visibility
7 km
Rain Chance
88%
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%
Air Quality
PM2.5
7.8
μg/m³
PM10
8.8
μg/m³
NO₂
8.5
μg/m³
O₃
45.3
μg/m³
SO₂
1
μg/m³
CO
132.3
μg/m³
Sunny
Wednesday, September 30, 2026
High
14°C
Low
10°C
Rain Chance
10%
Hourly Forecast
11°C
11°C
11°C
10°C
11°C
11°C
11°C
10°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
11°C
11°C
11°C
Day Statistics
Maximum Wind
22 km/h
Humidity
79%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
10%
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%
Air Quality
PM2.5
19.5
μg/m³
PM10
21.5
μg/m³
NO₂
16.5
μg/m³
O₃
51.6
μg/m³
SO₂
2.7
μg/m³
CO
172.6
μg/m³
Overcast
Thursday, October 01, 2026
High
14°C
Low
10°C
Rain Chance
13%
Hourly Forecast
11°C
11°C
11°C
11°C
11°C
11°C
11°C
10°C
11°C
12°C
13°C
13°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
13°C
12°C
12°C
12°C
11°C
Day Statistics
Maximum Wind
12 km/h
Humidity
75%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
13%
Snow Chance
0%
Sun & Moon
Sunrise
07:11 AM
Sunset
06:51 PM
Moonrise
08:59 PM
Moonset
01:26 PM
Moon Phase
Last Quarter
Moon Illumination
66%
Air Quality
PM2.5
19.9
μg/m³
PM10
21.4
μg/m³
NO₂
38.4
μg/m³
O₃
32.2
μg/m³
SO₂
5
μg/m³
CO
310.7
μg/m³
Sunny
Friday, October 02, 2026
High
14°C
Low
11°C
Rain Chance
11%
Hourly Forecast
11°C
11°C
11°C
11°C
11°C
11°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
11°C
11°C
11°C
Day Statistics
Maximum Wind
10 km/h
Humidity
75%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
11%
Snow Chance
0%
Sun & Moon
Sunrise
07:13 AM
Sunset
06:49 PM
Moonrise
09:57 PM
Moonset
02:32 PM
Moon Phase
Last Quarter
Moon Illumination
55%
Sunny
Saturday, October 03, 2026
High
14°C
Low
10°C
Rain Chance
12%
Hourly Forecast
11°C
11°C
11°C
11°C
10°C
10°C
10°C
10°C
10°C
11°C
11°C
12°C
13°C
13°C
14°C
14°C
14°C
14°C
14°C
13°C
12°C
12°C
12°C
12°C
Day Statistics
Maximum Wind
9 km/h
Humidity
75%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
12%
Snow Chance
0%
Sun & Moon
Sunrise
07:14 AM
Sunset
06:47 PM
Moonrise
11:10 PM
Moonset
03:26 PM
Moon Phase
Last Quarter
Moon Illumination
45%
Solar Radiation Data
Shortwave Radiation
619.38
Diffuse Radiation
70.39
DNI
0
GTI
0
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