SeaTac, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Rain
    50°
    Forecast night icon
    Night
    Chance of Storms
    44°
    Thursday 3/28
    Day
    50°
    Rain
    Forecast day icon
    Night
    44°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with likely rain. Chance of precipitation 90%. High temperature around 50F. Dew point will be around 38F with an average humidity of 70%. Winds will be 9 mph from the S.
    Night Details
    Mostly cloudy. A slight chance of thunderstorms in the evening. Showers likely in the evening then a chance of showers after midnight. Rainfall amounts less than a tenth of an inch likely except higher amounts possible in thunderstorms. Lows in the upper 30s to mid 40s. South wind 10 to 15 mph with gusts to 25 mph.
  • Forecast day icon
    Friday
    Chance of Rain Showers
    55°
    Forecast night icon
    Night
    Mostly Clear
    42°
    Friday 3/29
    Day
    55°
    Chance of Rain Showers
    Forecast day icon
    Night
    42°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers in the morning then mostly sunny in the afternoon. Highs in the mid to upper 50s. South wind around 10 mph becoming northwest in the afternoon.
    Night Details
    Mostly clear. Lows in the mid 30s to lower 40s. North wind 10 to 15 mph.
  • Forecast day icon
    Saturday
    Mostly Sunny
    56°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Saturday 3/30
    Day
    56°
    Mostly Sunny
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 50s to lower 60s. Northeast wind to 10 mph becoming north around 10 mph in the afternoon.
    Night Details
    Partly cloudy. Lows near 40. North wind 10 to 15 mph becoming northeast after midnight.
  • Forecast day icon
    Sunday
    Sunny
    58°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Sunday 3/31
    Day
    58°
    Sunny
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs near 60.
    Night Details
    Mostly clear. Lows in the lower 40s.
  • Forecast day icon
    Monday
    Mostly Sunny
    61°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Monday 4/1
    Day
    61°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower to mid 60s.
    Night Details
    Partly cloudy. Lows in the mid 40s.
  • Forecast day icon
    Tuesday
    Chance of Rain Showers
    63°
    Forecast night icon
    Night
    Chance of Rain Showers
    46°
    Tuesday 4/2
    Day
    63°
    Chance of Rain Showers
    Forecast day icon
    Night
    46°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A slight chance of showers in the afternoon. Highs in the lower to mid 60s.
    Night Details
    Mostly cloudy with a chance of showers. Lows in the mid 40s.
  • Forecast day icon
    Wednesday
    Chance of Rain Showers
    49°
    Forecast night icon
    Night
    Chance of Rain Showers
    41°
    Wednesday 4/3
    Day
    49°
    Chance of Rain Showers
    Forecast day icon
    Night
    41°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers. Highs in the lower to mid 50s.
    Night Details
    Mostly cloudy with a chance of showers. Lows near 40.
  • Forecast day icon
    Thursday
    Chance of Rain Showers
    51°
    Forecast night icon
    Night
    30% Chance of Rain
    40°
    Thursday 4/4
    Day
    51°
    Chance of Rain Showers
    Forecast day icon
    Night
    40°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly sunny with a chance of showers. Highs in the lower 50s.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 40F. Dew point will be around 33F with an average humidity of 68%. Winds will be 3 mph from the S.
  • Forecast day icon
    Friday
    30% Chance of Rain
    51°
    Forecast night icon
    Night
    40% Chance of Rain
    42°
    Friday 4/5
    Day
    51°
    30% Chance of Rain
    Forecast day icon
    Night
    42°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 51F. Dew point will be around 36F with an average humidity of 65%. Winds will be 4 mph from the W.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 42F. Dew point will be around 35F with an average humidity of 68%. Winds will be 4 mph from the S.
  • Forecast day icon
    Saturday
    40% Chance of Rain
    51°
    Forecast night icon
    Night
    40% Chance of Rain
    42°
    Saturday 4/6
    Day
    51°
    40% Chance of Rain
    Forecast day icon
    Night
    42°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 51F. Dew point will be around 36F with an average humidity of 64%. Winds will be 4 mph from the SW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 42F. Dew point will be around 36F with an average humidity of 69%. Winds will be 4 mph from the S.