Seattle/Tacoma International Airport (SEA) 15 Day Weather Forecast, Seattle United States
Current weather conditions and 15 day weather forecast for Seattle/Tacoma International Airport in Seattle, 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 SEA
| 14 December 2025 Sun 10.4 ° C ( 50.7°F )  Overcast |
Feels Like : 10.4 ° C / 50.8°F Humidity : % 86 Pressure : 1017 mb Wind Speed : 4.3 kmph / 2.7 miles from SW 
Visibility : 16 km Precipitation (rainfall) : 0.49 mm Cloud (%) : 100 |
15-day weather forecast for Seattle/Tacoma International Airport, Seattle, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 14 December 2025 Sun |  Patchy rain nearby |
7.3 ° C | 11.1 ° C | 9.2 ° C | % 85 | 7.9 km/h | 83% |
| 15 December 2025 Mon |  Moderate rain |
8.6 ° C | 13.2 ° C | 11.8 ° C | % 82 | 27.7 km/h | 84% |
| 16 December 2025 Tue | Moderate rain |
8.3 ° C | 11.1 ° C | 9.8 ° C | % 88 | 27.7 km/h | 83% |
| 17 December 2025 Wed | Moderate rain |
5.2 ° C | 6.4 ° C | 6.2 ° C | % 81 | 37.1 km/h | 87% |
| 18 December 2025 Thu | Moderate rain |
3.3 ° C | 5.5 ° C | 5.5 ° C | % 87 | 31.3 km/h | 83% |
| 19 December 2025 Fri | Patchy rain nearby |
3.5 ° C | 6.4 ° C | 4.5 ° C | % 82 | 18.4 km/h | 85% |
| 20 December 2025 Sat | Patchy rain nearby |
3.7 ° C | 5 ° C | 4.3 ° C | % 91 | 24.8 km/h | 76% |
| 21 December 2025 Sun | Patchy rain nearby |
1.3 ° C | 4.8 ° C | 3.9 ° C | % 85 | 14.8 km/h | 85% |
| 22 December 2025 Mon | Patchy rain nearby |
0.4 ° C | 3.1 ° C | 1.5 ° C | % 87 | 11.9 km/h | 83% |
| 23 December 2025 Tue | Moderate rain |
0.7 ° C | 1.7 ° C | 1 ° C | % 93 | 9.7 km/h | 89% |
| 24 December 2025 Wed |  Moderate or heavy snow in area with thunder |
-3.5 ° C | -1.1 ° C | -1.9 ° C | % 95 | 14.4 km/h | 83% |
| 25 December 2025 Thu |  Light snow |
-8 ° C | -3.5 ° C | -5 ° C | % 91 | 15.5 km/h | 81% |
| 26 December 2025 Fri | Light snow |
-9.4 ° C | -5.5 ° C | -7.3 ° C | % 91 | 17.6 km/h | 60% |
| 27 December 2025 Sat | Light snow |
-9.6 ° C | -2.3 ° C | -5 ° C | % 90 | 10.8 km/h | 76% |
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