Weather Forecast for San Juan Islands
Washington, United States of America
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Current Weather - San Juan Islands: 9°C
Current Weather - San Juan Islands: 9°C
Washington, United States of America
Overcast
Feels like 6°C
Wind
35 km/h WSW
Humidity
86%
Pressure
1018 mb
UV Index
0
Visibility
16 km
Patchy rain nearby
Thursday, December 11, 2025
High
10°C
Low
8°C
Rain Chance
88%
Hourly Forecast
10°C
10°C
10°C
9°C
9°C
9°C
9°C
9°C
8°C
8°C
8°C
Day Statistics
Maximum Wind
35 km/h
Humidity
88%
Precipitation
0 mm
UV Index
0
Visibility
9 km
Rain Chance
88%
Snow Chance
0%
Sun & Moon
Sunrise
07:55 AM
Sunset
04:16 PM
Moonrise
No moonrise
Moonset
12:25 PM
Moon Phase
Last Quarter
Moon Illumination
59%
Air Quality
PM2.5
4.5
μg/m³
PM10
5.8
μg/m³
NO₂
6.6
μg/m³
O₃
72.1
μg/m³
SO₂
1.9
μg/m³
CO
134.5
μg/m³
Patchy rain nearby
Friday, December 12, 2025
High
7°C
Low
7°C
Rain Chance
82%
Hourly Forecast
8°C
8°C
8°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
8°C
7°C
Day Statistics
Maximum Wind
11 km/h
Humidity
94%
Precipitation
5 mm
UV Index
0
Visibility
9 km
Rain Chance
82%
Snow Chance
0%
Sun & Moon
Sunrise
07:55 AM
Sunset
04:16 PM
Moonrise
12:29 AM
Moonset
12:39 PM
Moon Phase
Waning Crescent
Moon Illumination
49%
Air Quality
PM2.5
7.3
μg/m³
PM10
8.7
μg/m³
NO₂
16.2
μg/m³
O₃
57
μg/m³
SO₂
3.6
μg/m³
CO
208
μg/m³
Patchy rain nearby
Saturday, December 13, 2025
High
10°C
Low
7°C
Rain Chance
81%
Hourly Forecast
7°C
7°C
7°C
7°C
8°C
8°C
8°C
8°C
9°C
9°C
9°C
9°C
9°C
9°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
9°C
9°C
Day Statistics
Maximum Wind
13 km/h
Humidity
93%
Precipitation
2 mm
UV Index
0
Visibility
9 km
Rain Chance
81%
Snow Chance
0%
Sun & Moon
Sunrise
07:56 AM
Sunset
04:17 PM
Moonrise
01:38 AM
Moonset
12:52 PM
Moon Phase
Waning Crescent
Moon Illumination
39%
Air Quality
PM2.5
6.2
μg/m³
PM10
6.8
μg/m³
NO₂
15
μg/m³
O₃
43.5
μg/m³
SO₂
2.5
μg/m³
CO
183.5
μg/m³
Patchy rain nearby
Sunday, December 14, 2025
High
10°C
Low
9°C
Rain Chance
89%
Hourly Forecast
9°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
Day Statistics
Maximum Wind
24 km/h
Humidity
91%
Precipitation
4 mm
UV Index
0
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
07:57 AM
Sunset
04:17 PM
Moonrise
02:46 AM
Moonset
01:07 PM
Moon Phase
Waning Crescent
Moon Illumination
30%
Air Quality
PM2.5
6.5
μg/m³
PM10
7.1
μg/m³
NO₂
15.5
μg/m³
O₃
48.4
μg/m³
SO₂
2.8
μg/m³
CO
171
μg/m³
Moderate rain
Monday, December 15, 2025
High
10°C
Low
9°C
Rain Chance
80%
Hourly Forecast
11°C
10°C
11°C
11°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
10°C
9°C
Day Statistics
Maximum Wind
49 km/h
Humidity
89%
Precipitation
6 mm
UV Index
0
Visibility
7 km
Rain Chance
80%
Snow Chance
0%
Sun & Moon
Sunrise
07:58 AM
Sunset
04:17 PM
Moonrise
03:55 AM
Moonset
01:24 PM
Moon Phase
Waning Crescent
Moon Illumination
22%
Air Quality
PM2.5
6.9
μg/m³
PM10
7.7
μg/m³
NO₂
21.5
μg/m³
O₃
42.2
μg/m³
SO₂
3
μg/m³
CO
207.2
μg/m³
Patchy rain nearby
Tuesday, December 16, 2025
High
8°C
Low
7°C
Rain Chance
82%
Hourly Forecast
9°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
9°C
8°C
Day Statistics
Maximum Wind
47 km/h
Humidity
80%
Precipitation
2 mm
UV Index
2
Visibility
7 km
Rain Chance
82%
Snow Chance
0%
Sun & Moon
Sunrise
07:59 AM
Sunset
04:17 PM
Moonrise
05:05 AM
Moonset
01:45 PM
Moon Phase
Waning Crescent
Moon Illumination
14%
Moderate rain
Wednesday, December 17, 2025
High
8°C
Low
6°C
Rain Chance
89%
Hourly Forecast
8°C
8°C
8°C
9°C
9°C
9°C
9°C
8°C
8°C
8°C
8°C
7°C
7°C
7°C
7°C
6°C
6°C
6°C
6°C
6°C
6°C
6°C
6°C
6°C
Day Statistics
Maximum Wind
33 km/h
Humidity
90%
Precipitation
12 mm
UV Index
2
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
07:59 AM
Sunset
04:17 PM
Moonrise
06:14 AM
Moonset
02:11 PM
Moon Phase
Waning Crescent
Moon Illumination
8%
Weather Alerts
yellow warning - rainfall - in effect
Rain, at times heavy, is expected. What: Rainfall amounts of 40 to 70 mm. When: Today through this evening. Where: Greater Victoria. Remarks: An atmospheric river over the South Coast of BC is bringing heavy rain today. The highest rainfall amounts are forecast from Sooke to downtown Victoria. The heavy rain will taper off late this evening. ### Water will likely pool on roads and in low-lying areas. Visibility will likely be suddenly reduced at times. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to BCstorm@ec.gc.ca or post reports on X using #BCStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
Don't drive through flooded roadways.
yellow warning - rainfall - ended
Significant rainfall is no longer expected. ###
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