SeaTac, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Clear
    45°
    Thursday 4/18
    Forecast night icon
    45°
    Clear
    Hourly
    Night Details
    Clear. Lows in the lower to mid 40s. North wind 10 to 15 mph.
  • Forecast day icon
    Friday
    Sunny
    67°
    Forecast night icon
    Night
    Clear
    47°
    Friday 4/19
    Day
    67°
    Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the 60s. North wind 10 to 15 mph becoming east in the afternoon.
    Night Details
    Clear. Lows in the mid to upper 40s. East wind 10 to 20 mph.
  • Forecast day icon
    Saturday
    Chance of Rain Showers
    62°
    Forecast night icon
    Night
    Rain
    43°
    Saturday 4/20
    Day
    62°
    Chance of Rain Showers
    Forecast day icon
    Night
    43°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning then partly sunny with a slight chance of showers in the afternoon. Highs in the 60s to lower 70s. East wind 10 to 15 mph becoming southeast in the afternoon.
    Night Details
    Breezy. Showers in the evening then showers likely after midnight. Rainfall amounts less than a tenth of an inch likely. Lows in the 40s. Southwest wind 15 to 25 mph becoming south after midnight.
  • Forecast day icon
    Sunday
    Rain Showers
    57°
    Forecast night icon
    Night
    Chance of Rain Showers
    41°
    Sunday 4/21
    Day
    57°
    Rain Showers
    Forecast day icon
    Night
    41°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Breezy. Showers likely. Highs in the mid to upper 50s.
    Night Details
    Mostly cloudy with a slight chance of showers in the evening then partly cloudy after midnight. Lows in the lower to mid 40s.
  • Forecast day icon
    Monday
    Mostly Sunny
    60°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Monday 4/22
    Day
    60°
    Mostly Sunny
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 60s.
    Night Details
    Partly cloudy. Lows in the lower to mid 40s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    65°
    Forecast night icon
    Night
    Chance of Rain Showers
    46°
    Tuesday 4/23
    Day
    65°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid to upper 60s.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A slight chance of showers. Lows in the mid to upper 40s.
  • Forecast day icon
    Wednesday
    Chance of Rain Showers
    57°
    Forecast night icon
    Night
    Chance of Rain Showers
    46°
    Wednesday 4/24
    Day
    57°
    Chance of Rain Showers
    Forecast day icon
    Night
    46°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a slight chance of showers. Highs in the lower to mid 60s.
    Night Details
    Mostly cloudy with a chance of showers. Lows in the mid to upper 40s.
  • Forecast day icon
    Thursday
    Chance of Rain Showers
    58°
    Forecast night icon
    Night
    30% Chance of Rain
    47°
    Thursday 4/25
    Day
    58°
    Chance of Rain Showers
    Forecast day icon
    Night
    47°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of showers. Highs in the upper 50s.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 47F. Dew point will be around 42F with an average humidity of 71%. Winds will be 2 mph from the W.
  • Forecast day icon
    Friday
    30% Chance of Rain
    58°
    Forecast night icon
    Night
    30% Chance of Rain
    47°
    Friday 4/26
    Day
    58°
    30% Chance of Rain
    Forecast day icon
    Night
    47°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 58F. Dew point will be around 43F with an average humidity of 69%. Winds will be 2 mph from the NW.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 47F. Dew point will be around 42F with an average humidity of 70%. Winds will be 2 mph from the S.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    58°
    Forecast night icon
    Night
    40% Chance of Rain
    47°
    Saturday 4/27
    Day
    58°
    30% Chance of Rain
    Forecast day icon
    Night
    47°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 58F. Dew point will be around 43F with an average humidity of 68%. Winds will be 3 mph from the SW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 47F. Dew point will be around 41F with an average humidity of 69%. Winds will be 4 mph from the S.