Roche Harbor, San Juan Island, WA Weather Forecast and Current Conditions
| Day | Sky | High / Low | Precip | Wind | Humidity | |
|---|---|---|---|---|---|---|
| Fri Dec 3 |  | Rain Late Close Hourly | -º / 36º | 96% | N 5 mph | 82% |
| 8pm |  | Mostly Cloudy | 40º | 1% | NNW 6 mph | 80% |
| 9pm |  | Cloudy | 40º | 3% | NNW 5 mph | 79% |
| 10pm | | Cloudy | 40º | 4% | NNW 5 mph | 78% |
| 11pm | | Cloudy | 41º | 5% | NNW 4 mph | 74% |
| Sat Dec 4 |  | AM Light Rain View Hourly | 41º / 34º | 88% | NNW 5 mph | 89% |
| 12am | | Cloudy | 41º | 11% | NNW 3 mph | 76% |
| 1am | | Light Rain | 41º | 61% | NNW 2 mph | 77% |
| 2am | | Light Rain | 40º | 81% | N 1 mph | 80% |
| 3am | | Rain | 40º | 84% | N 1 mph | 84% |
| 4am | | Rain | 39º | 94% | N 1 mph | 89% |
| 5am | | Rain | 39º | 97% | N 2 mph | 90% |
| 6am | | Rain | 38º | 95% | N 1 mph | 94% |
| 7am | | Light Rain | 37º | 88% | N 1 mph | 97% |
| 8am | | Light Rain | 37º | 87% | N 1 mph | 97% |
| 9am | | Light Rain | 37º | 85% | NNW 1 mph | 97% |
| 10am | | Light Rain | 38º | 84% | NNW 0 mph | 94% |
| 11am | | Light Rain | 39º | 83% | NNW 1 mph | 91% |
| 12pm | | Light Rain | 39º | 79% | NNW 2 mph | 90% |
| 1pm | | Showers | 39º | 40% | NNW 3 mph | 88% |
| 2pm | | Cloudy | 40º | 24% | NNW 4 mph | 86% |
| 3pm |  | Mostly Cloudy | 40º | 19% | NW 4 mph | 79% |
| 4pm |  | Partly Cloudy | 40º | 15% | NW 4 mph | 80% |
| 5pm |  | Partly Cloudy | 38º | 15% | WNW 4 mph | 84% |
| 6pm | | Partly Cloudy | 38º | 9% | WNW 5 mph | 84% |
| 7pm | | Partly Cloudy | 38º | 7% | WNW 5 mph | 84% |
| 8pm | | Partly Cloudy | 38º | 7% | WNW 5 mph | 83% |
| 9pm | | Partly Cloudy | 37º | 7% | WNW 4 mph | 83% |
| 10pm | | Partly Cloudy | 37º | 7% | WNW 4 mph | 83% |
| 11pm | | Partly Cloudy | 37º | 7% | WNW 4 mph | 81% |
| Sun Dec 5 | | Mostly Cloudy View Hourly | 41º / 36º | 22% | NNE 1 mph | 76% |
| 12am | | Partly Cloudy | 37º | 7% | NW 4 mph | 80% |
| 1am | | Partly Cloudy | 37º | 7% | NW 4 mph | 82% |
| 2am | | Partly Cloudy | 38º | 7% | NW 4 mph | 78% |
| 3am | | Partly Cloudy | 38º | 9% | NW 4 mph | 77% |
| 4am | | Partly Cloudy | 38º | 5% | NW 4 mph | 76% |
| 5am | | Partly Cloudy | 38º | 7% | NW 3 mph | 76% |
| 6am | | Mostly Cloudy | 37º | 5% | NW 2 mph | 79% |
| 7am | | Partly Cloudy | 35º | 5% | NW 1 mph | 83% |
| 8am | | Mostly Cloudy | 35º | 5% | NNW 1 mph | 84% |
| 9am | | Mostly Cloudy | 38º | 5% | NNW 1 mph | 80% |
| 10am | | Mostly Cloudy | 40º | 5% | NNW 1 mph | 77% |
| 11am | | Mostly Cloudy | 40º | 5% | N 1 mph | 73% |
| 12pm | | Mostly Cloudy | 40º | 4% | N 1 mph | 72% |
| 1pm | | Mostly Cloudy | 40º | 4% | NNE 1 mph | 70% |
| 2pm | | Mostly Cloudy | 40º | 5% | NNE 1 mph | 72% |
| 3pm | | Cloudy | 40º | 5% | NE 0 mph | 73% |
| 4pm | | Cloudy | 39º | 14% | ENE 0 mph | 75% |
| 5pm | | Cloudy | 39º | 14% | ENE 0 mph | 76% |
| 6pm | | Cloudy | 39º | 23% | ENE 0 mph | 77% |
| 7pm | | Showers | 39º | 51% | ENE 0 mph | 76% |
| Mon Dec 6 |  | Rain/Snow | 40º / 37º | 90% | NE 8 mph | 89% |
| Tue Dec 7 | | Showers | 41º / 39º | 36% | NE 2 mph | 85% |
| Wed Dec 8 | | Showers | 45º / 38º | 72% | WSW 12 mph | 78% |
| Thu Dec 9 | | Partly Cloudy | 41º / 35º | 24% | NW 5 mph | 76% |
| Fri Dec 10 | | Few Showers | 39º / 36º | 31% | NE 6 mph | 79% |
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Buoy Data
For Roche Harbor, San Juan Island, WA -
Wind Forecast
In Roche Harbor, San Juan Island, WA -
Radar
In Roche Harbor, San Juan Island, WA -
Marine Forecast
In Roche Harbor, San Juan Island, WA
Weather Radar for Roche Harbor, San Juan Island, WA See Radar
* Playback displays weather for the past 6 hours.
NOAA Weather Marine Forecast for Roche Harbor, San Juan Island, WA
Tonight
Low : 35ºF
NNW wind around 13 kt. Rain, mainly after 4am. Wind waves 1 to 2 ft.
NNW wind around 13 kt. Rain, mainly after 4am. Wind waves 1 to 2 ft.
Saturday
High : 43ºF
NNE wind 6 to 11 kt becoming NNW in the afternoon. Rain and snow before 4pm, then a slight chance of rain between 4pm and 5pm. Wind waves 1 ft or less.
NNE wind 6 to 11 kt becoming NNW in the afternoon. Rain and snow before 4pm, then a slight chance of rain between 4pm and 5pm. Wind waves 1 ft or less.
Saturday Night
Low : 40ºF
NW wind 13 to 16 kt. A slight chance of rain before 10pm. Wind waves around 2 ft.
NW wind 13 to 16 kt. A slight chance of rain before 10pm. Wind waves around 2 ft.
Sunday
High : 42ºF
NW wind 5 to 11 kt. A chance of rain after 4pm. Wind waves 1 ft or less.
NW wind 5 to 11 kt. A chance of rain after 4pm. Wind waves 1 ft or less.
Sunday Night
Low : 33ºF
SE wind 10 to 19 kt. A chance of rain before 10pm, then rain and snow. Wind waves 1 to 3 ft.
SE wind 10 to 19 kt. A chance of rain before 10pm, then rain and snow. Wind waves 1 to 3 ft.
Monday
High : 42ºF
ENE wind 20 to 25 kt becoming N 13 to 18 kt in the afternoon. Rain and snow, becoming all rain after 10am. Wind waves 3 to 4 ft.
ENE wind 20 to 25 kt becoming N 13 to 18 kt in the afternoon. Rain and snow, becoming all rain after 10am. Wind waves 3 to 4 ft.
Monday Night
Low : 35ºF
ENE wind 9 to 19 kt. A chance of rain before 10pm, then a slight chance of rain after 4am. Wind waves 2 to 4 ft.
ENE wind 9 to 19 kt. A chance of rain before 10pm, then a slight chance of rain after 4am. Wind waves 2 to 4 ft.
Tuesday
High : 41ºF
Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. A chance of rain. Wind waves 1 ft or less.
Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. A chance of rain. Wind waves 1 ft or less.
Tuesday Night
Low : 37ºF
SE wind 14 to 19 kt. Rain. Wind waves around 2 ft.
SE wind 14 to 19 kt. Rain. Wind waves around 2 ft.
NOAA Buoy Data Near Roche Harbor, San Juan Island, WA See Map
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Wind Speed Forecast for Roche Harbor, San Juan Island, WA
| Friday | Saturday | Sunday | ||||||||||
| Wind Speed (MPH) | 6 | 3 | 1 | 1 | 2 | 4 | 5 | 4 | 4 | 1 | 1 | 0 |
| 8pm | 12am | 4am | 8am | 12pm | 4pm | 8pm | 12am | 4am | 8am | 12pm | 4pm | |
| MPH | 6 | 3 | 1 | 1 | 2 | 4 | 5 | 4 | 4 | 1 | 1 | 0 |
| DIR | NNW | NNW | N | N | NNW | NW | WNW | NW | NW | NNW | N | ENE |
Current Weather Conditions In Roche Harbor, San Juan Island, WA
As Of: 12 minutes ago
- 40ºF
- 36ºF
- 6mph
- 0º (NNW)
- 6mph
- Mostly Cloudy
- 10mi
- 30.18"
- 80%
- 0ºF
The weather right now in Roche Harbor, San Juan Island, WA is Mostly Cloudy. The current temperature is 40°F, and the expected high and low for today, Friday, December 3, 2021, are -° high temperature and 36°F low temperature. The wind is currently blowing at 6 miles per hour, and coming from the North Northwest. The wind is gusting to 6 mph. With the wind and the atmosphere the temperature feels like 36° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 80 percent, and air pressure at 30.18 in. Visibility is 10 nautical miles. There are no current weather alert(s).
