Friday Harbor SPB (FBS) 15 Day Weather Forecast, Friday Harbor United States
Current weather conditions and 15 day weather forecast for Friday Harbor SPB in Friday Harbor, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at FBS
| 18 December 2025 Thu 7.8 ° C ( 46°F )  Overcast |
Feels Like : 4.6 ° C / 40.3°F Humidity : % 82 Pressure : 1015 mb Wind Speed : 19.8 kmph / 12.3 miles from SE 
Visibility : 16 km Precipitation (rainfall) : 0.03 mm Cloud (%) : 100 |
15-day weather forecast for Friday Harbor SPB, Friday Harbor, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 18 December 2025 Thu |  Moderate rain |
5.5 ° C | 8 ° C | 6.8 ° C | % 86 | 49 km/h | 89% |
| 19 December 2025 Fri |  Cloudy |
5.2 ° C | 7 ° C | 5.9 ° C | % 79 | 37.4 km/h | 0% |
| 20 December 2025 Sat |  Patchy rain nearby |
4.4 ° C | 6.6 ° C | 5.8 ° C | % 83 | 29.9 km/h | 86% |
| 21 December 2025 Sun | Patchy rain nearby |
4.5 ° C | 6.9 ° C | 6.1 ° C | % 83 | 43.9 km/h | 86% |
| 22 December 2025 Mon | Patchy rain nearby |
3.8 ° C | 7 ° C | 5.7 ° C | % 83 | 27.4 km/h | 84% |
| 23 December 2025 Tue | Patchy rain nearby |
3.9 ° C | 4.8 ° C | 4.4 ° C | % 79 | 17.6 km/h | 79% |
| 24 December 2025 Wed | Overcast |
1.6 ° C | 3.9 ° C | 3.2 ° C | % 78 | 23.8 km/h | 0% |
| 25 December 2025 Thu |  Light snow |
-0.1 ° C | 1.3 ° C | 0.9 ° C | % 90 | 20.9 km/h | 87% |
| 26 December 2025 Fri |  Partly Cloudy |
1.1 ° C | 2.5 ° C | 1.9 ° C | % 76 | 13.3 km/h | 0% |
| 27 December 2025 Sat | Partly Cloudy |
0.2 ° C | 3.1 ° C | 2.3 ° C | % 73 | 19.8 km/h | 0% |
| 28 December 2025 Sun | Patchy rain nearby |
5.4 ° C | 6.2 ° C | 5.8 ° C | % 83 | 54.7 km/h | 89% |
| 29 December 2025 Mon | Patchy rain nearby |
5.9 ° C | 7.8 ° C | 6.6 ° C | % 70 | 41 km/h | 88% |
| 30 December 2025 Tue | Overcast |
4.2 ° C | 5.3 ° C | 5.2 ° C | % 81 | 27.4 km/h | 0% |
| 31 December 2025 Wed | Moderate rain |
5.2 ° C | 11.5 ° C | 8.1 ° C | % 93 | 46.8 km/h | 88% |
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