SeaTac, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    58°
    Friday 5/10
    Forecast night icon
    58°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Lows in the lower to mid 50s. North wind to 10 mph.
  • Forecast day icon
    Saturday
    Sunny
    81°
    Forecast night icon
    Night
    Mostly Clear
    56°
    Saturday 5/11
    Day
    81°
    Sunny
    Forecast day icon
    Night
    56°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s to lower 80s. Light wind becoming northwest around 10 mph in the afternoon.
    Night Details
    Mostly clear. Lows in the lower to mid 50s. North wind to 10 mph in the evening becoming light.
  • Forecast day icon
    Sunday
    Sunny
    74°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Sunday 5/12
    Day
    74°
    Sunny
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower to mid 70s. South wind to 10 mph becoming southwest around 10 mph in the afternoon.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. Southwest wind 10 to 15 mph becoming south after midnight.
  • Forecast day icon
    Monday
    Mostly Cloudy
    60°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Monday 5/13
    Day
    60°
    Mostly Cloudy
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the lower to mid 60s.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    Mostly Clear
    52°
    Tuesday 5/14
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    52°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs near 70.
    Night Details
    Mostly clear. Lows near 50.
  • Forecast day icon
    Wednesday
    Chance of Rain Showers
    69°
    Forecast night icon
    Night
    Chance of Rain Showers
    49°
    Wednesday 5/15
    Day
    69°
    Chance of Rain Showers
    Forecast day icon
    Night
    49°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower to mid 70s.
    Night Details
    Partly cloudy. A slight chance of showers in the evening. Lows in the lower 50s.
  • Forecast day icon
    Thursday
    Chance of Rain Showers
    65°
    Forecast night icon
    Night
    Mostly Clear
    55°
    Thursday 5/16
    Day
    65°
    Chance of Rain Showers
    Forecast day icon
    Night
    55°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a slight chance of showers. Highs near 70.
    Night Details
    Mostly clear. Lows in the lower 50s.
  • Forecast day icon
    Friday
    Sunny
    76°
    Forecast night icon
    Night
    Clear
    57°
    Friday 5/17
    Day
    76°
    Sunny
    Forecast day icon
    Night
    57°
    Clear
    Forecast night icon
    Day Details
    Sunny. Highs in the lower to mid 70s.
    Night Details
    Clear. Low temperature around 57F. Dew point will be around 48F with an average humidity of 58%. Winds will be 4 mph from the N.
  • Forecast day icon
    Saturday
    Sunny
    76°
    Forecast night icon
    Night
    Clear
    55°
    Saturday 5/18
    Day
    76°
    Sunny
    Forecast day icon
    Night
    55°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 76F. Dew point will be around 47F with an average humidity of 47%. Winds will be 4 mph from the NW.
    Night Details
    Clear. Low temperature around 55F. Dew point will be around 45F with an average humidity of 54%. Winds will be 4 mph from the NW.
  • Forecast day icon
    Sunday
    Sunny
    74°
    Forecast night icon
    Night
    30% Chance of Rain
    54°
    Sunday 5/19
    Day
    74°
    Sunny
    Forecast day icon
    Night
    54°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 74F. Dew point will be around 47F with an average humidity of 49%. Winds will be 4 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 54F. Dew point will be around 45F with an average humidity of 58%. Winds will be 3 mph from the NW.