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

10 August 2025 Sun
26.7 ° C
( 80.1°F )

Sunny
Sunny
Feels Like : 27 ° C / 80.6°F
Humidity : % 41
Pressure : 1020 mb
Wind Speed : 12.2 kmph / 7.6 miles from NN
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15-day weather forecast for Seattle/Tacoma International Airport, Seattle, United States

Date
09 August 2025 Sat
Weather forecastSunny Sunny
Low temperature15.4 ° C
High temperature29.1 ° C
Average Temperature21.2 ° C
Humidity% 59
Wind13.3 km/h
Chance of rain0%
10 August 2025 Sun
Weather forecastSunny Sunny
Low temperature16.9 ° C
High temperature30.5 ° C
Average Temperature22.7 ° C
Humidity% 65
Wind14 km/h
Chance of rain0%
11 August 2025 Mon
Weather forecastSunny Sunny
Low temperature19 ° C
High temperature28 ° C
Average Temperature22.2 ° C
Humidity% 72
Wind13.3 km/h
Chance of rain0%
12 August 2025 Tue
Weather forecastSunny Sunny
Low temperature18.7 ° C
High temperature33.2 ° C
Average Temperature25.2 ° C
Humidity% 56
Wind18.4 km/h
Chance of rain0%
13 August 2025 Wed
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature14.7 ° C
High temperature22.7 ° C
Average Temperature18 ° C
Humidity% 67
Wind16.6 km/h
Chance of rain88%
14 August 2025 Thu
Weather forecastCloudy  Cloudy
Low temperature12.4 ° C
High temperature24.7 ° C
Average Temperature16.3 ° C
Humidity% 76
Wind10.1 km/h
Chance of rain0%
15 August 2025 Fri
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature13.4 ° C
High temperature21.9 ° C
Average Temperature17.2 ° C
Humidity% 74
Wind11.5 km/h
Chance of rain79%
16 August 2025 Sat
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature13.2 ° C
High temperature17.6 ° C
Average Temperature15.4 ° C
Humidity% 92
Wind12.2 km/h
Chance of rain84%
17 August 2025 Sun
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature11 ° C
High temperature18.8 ° C
Average Temperature14.5 ° C
Humidity% 73
Wind16.9 km/h
Chance of rain83%
18 August 2025 Mon
Weather forecastSunny Sunny
Low temperature9.7 ° C
High temperature22.1 ° C
Average Temperature15.4 ° C
Humidity% 63
Wind15.8 km/h
Chance of rain0%
19 August 2025 Tue
Weather forecastSunny Sunny
Low temperature10.1 ° C
High temperature23.6 ° C
Average Temperature16.7 ° C
Humidity% 55
Wind14.8 km/h
Chance of rain0%
20 August 2025 Wed
Weather forecastSunny Sunny
Low temperature11.6 ° C
High temperature28.6 ° C
Average Temperature19.8 ° C
Humidity% 48
Wind10.1 km/h
Chance of rain0%
21 August 2025 Thu
Weather forecastSunny Sunny
Low temperature13.5 ° C
High temperature29.6 ° C
Average Temperature20.8 ° C
Humidity% 44
Wind8.6 km/h
Chance of rain0%
22 August 2025 Fri
Weather forecastSunny Sunny
Low temperature14.2 ° C
High temperature26.4 ° C
Average Temperature19.7 ° C
Humidity% 61
Wind15.1 km/h
Chance of rain0%
Date Weather forecast Low temperature High temperature Average Temperature Humidity Wind Chance of rain
09 August 2025 Sat Sunny Sunny 15.4 ° C 29.1 ° C 21.2 ° C % 59 13.3 km/h 0%
10 August 2025 Sun Sunny Sunny 16.9 ° C 30.5 ° C 22.7 ° C % 65 14 km/h 0%
11 August 2025 Mon Sunny Sunny 19 ° C 28 ° C 22.2 ° C % 72 13.3 km/h 0%
12 August 2025 Tue Sunny Sunny 18.7 ° C 33.2 ° C 25.2 ° C % 56 18.4 km/h 0%
13 August 2025 Wed Patchy rain nearby Patchy rain nearby 14.7 ° C 22.7 ° C 18 ° C % 67 16.6 km/h 88%
14 August 2025 Thu Cloudy  Cloudy 12.4 ° C 24.7 ° C 16.3 ° C % 76 10.1 km/h 0%
15 August 2025 Fri Patchy rain nearby Patchy rain nearby 13.4 ° C 21.9 ° C 17.2 ° C % 74 11.5 km/h 79%
16 August 2025 Sat Patchy rain nearby Patchy rain nearby 13.2 ° C 17.6 ° C 15.4 ° C % 92 12.2 km/h 84%
17 August 2025 Sun Patchy rain nearby Patchy rain nearby 11 ° C 18.8 ° C 14.5 ° C % 73 16.9 km/h 83%
18 August 2025 Mon Sunny Sunny 9.7 ° C 22.1 ° C 15.4 ° C % 63 15.8 km/h 0%
19 August 2025 Tue Sunny Sunny 10.1 ° C 23.6 ° C 16.7 ° C % 55 14.8 km/h 0%
20 August 2025 Wed Sunny Sunny 11.6 ° C 28.6 ° C 19.8 ° C % 48 10.1 km/h 0%
21 August 2025 Thu Sunny Sunny 13.5 ° C 29.6 ° C 20.8 ° C % 44 8.6 km/h 0%
22 August 2025 Fri Sunny Sunny 14.2 ° C 26.4 ° C 19.7 ° C % 61 15.1 km/h 0%
Weather forecasts are usually fully updated every 3 hours.

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