10-Day Weather Forecast - SeaTac, WA

-
  • 50|50°F
    Rain
    Arrow up

    Today

    50°F

    Cloudy with likely rain. Chance of precipitation 95%. High temperature around 50F. Dew point will be around 47F with an average humidity of 86%. Winds will be 10 mph from the SW.

    Tonight

    50°F

    Mostly cloudy. A slight chance of rain in the evening. Lows in the 40s to lower 50s. Southwest wind to 10 mph with gusts to 20 mph becoming south after midnight.

    Hourly details
  • Day

    56°F

    Partly sunny. Patchy fog until late afternoon. Highs in the mid to upper 50s. Light wind.

    Night

    45°F

    Mostly cloudy. Patchy fog. Lows in the upper 30s to mid 40s. Light wind.

    Hourly details
  • Day

    47°F

    Mostly cloudy. Patchy dense fog in the morning. Highs near 50. Light wind.

    Night

    44°F

    Mostly cloudy. Patchy fog in the evening. Lows in the upper 30s to mid 40s. Light wind.

    Hourly details
  • Day

    46°F

    Mostly cloudy in the morning then becoming mostly sunny. Highs near 50.

    Night

    36°F

    Partly cloudy. Lows in the mid 30s to lower 40s.

    Hourly details
  • Day

    49°F

    Sunny. Highs in the lower 50s.

    Night

    34°F

    Mostly clear. Lows in the mid to upper 30s.

    Hourly details
  • Weekend Weather

  • Day

    49°F

    Sunny. Highs in the lower 50s.

    Night

    35°F

    Mostly clear. Lows in the mid 30s.

    Hourly details
  • Day

    49°F

    Sunny. Highs in the lower 50s.

    Night

    36°F

    Mostly clear. Lows in the mid 30s.

  • Day

    46°F

    Mostly sunny. Highs near 50.

    Night

    38°F

    Partly cloudy. Low temperature around 38F. Dew point will be around 35F with an average humidity of 86%. Winds will be 3 mph from the E.

  • Day

    43°F

    Mostly cloudy. High temperature around 43F. Dew point will be around 37F with an average humidity of 87%. Winds will be 2 mph from the NW.

    Night

    38°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 38F. Dew point will be around 37F with an average humidity of 88%. Winds will be 2 mph from the SE.

  • Day

    44°F

    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 44F. Dew point will be around 38F with an average humidity of 88%. Winds will be 2 mph from the W.

    Night

    37°F

    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 37F. Dew point will be around 36F with an average humidity of 87%. Winds will be 2 mph from the SE.