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

13 December 2025 Sat
11.7 ° C
( 53.1°F )

Partly cloudy
Partly cloudy
Feels Like : 11.2 ° C / 52.2°F
Humidity : % 89
Pressure : 1018 mb
Wind Speed : 6.8 kmph / 4.3 miles from SS
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 75

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
12 December 2025 Fri Mist Mist 7.5 ° C 13.1 ° C 9.7 ° C % 94 7.9 km/h 0%
13 December 2025 Sat Partly Cloudy  Partly Cloudy 7.9 ° C 13.2 ° C 10.6 ° C % 83 7.2 km/h 0%
14 December 2025 Sun Patchy rain nearby Patchy rain nearby 7.9 ° C 10.5 ° C 9.9 ° C % 81 8.6 km/h 84%
15 December 2025 Mon Heavy rain Heavy rain 9.4 ° C 13.8 ° C 11.6 ° C % 82 29.2 km/h 89%
16 December 2025 Tue Heavy rain Heavy rain 6.4 ° C 11.2 ° C 8.7 ° C % 87 31.3 km/h 89%
17 December 2025 Wed Patchy rain nearby Patchy rain nearby 5.1 ° C 7.6 ° C 5.9 ° C % 75 27 km/h 84%
18 December 2025 Thu Moderate rain Moderate rain 5.2 ° C 6.7 ° C 5.8 ° C % 83 28.1 km/h 89%
19 December 2025 Fri Patchy rain nearby Patchy rain nearby 4 ° C 4.9 ° C 4.6 ° C % 90 22.3 km/h 88%
20 December 2025 Sat Patchy rain nearby Patchy rain nearby 3.4 ° C 5.3 ° C 4 ° C % 87 21.2 km/h 87%
21 December 2025 Sun Patchy rain nearby Patchy rain nearby 1.5 ° C 3 ° C 2.8 ° C % 92 12.2 km/h 87%
22 December 2025 Mon Patchy rain nearby Patchy rain nearby 0.9 ° C 6.1 ° C 3.6 ° C % 80 22 km/h 81%
23 December 2025 Tue Moderate rain Moderate rain 2.4 ° C 4.9 ° C 3.8 ° C % 87 17.3 km/h 87%
24 December 2025 Wed Patchy rain nearby Patchy rain nearby 1.2 ° C 4.9 ° C 2.7 ° C % 81 16.9 km/h 0%
25 December 2025 Thu Light snow Light snow -3.3 ° C -2.8 ° C -2.6 ° C % 80 22.7 km/h 70%
Weather forecasts are usually fully updated every 3 hours.

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