10-Day Weather Forecast - SeaTac, WA

-
  • |47°F
    Chance of Rain
    Arrow up

    Tonight

    47°F

    Mostly cloudy. A slight chance of rain in the evening. Patchy fog. Lows in the 40s. South wind to 10 mph in the evening becoming light.

    Hourly details
  • Day

    57°F

    Mostly cloudy. Areas of fog in the morning then patchy fog early in the afternoon. Highs in the mid 50s to lower 60s. Light wind.

    Night

    48°F

    Mostly cloudy. Lows in the 40s. Light wind.

    Hourly details
  • Day

    59°F

    Mostly cloudy. Highs near 60. Light wind.

    Night

    41°F

    Mostly clear. Lows in the upper 30s to mid 40s. Light wind.

    Hourly details
  • Day

    57°F

    Sunny. Highs in the upper 50s.

    Night

    41°F

    Mostly clear. Lows near 40.

    Hourly details
  • Day

    56°F

    Partly sunny. Highs in the mid to upper 50s.

    Night

    45°F

    Mostly cloudy. A slight chance of rain after midnight. Lows in the lower 40s.

    Hourly details
  • Weekend Weather

  • Day

    53°F

    Mostly cloudy with a chance of rain. Highs in the mid to upper 50s.

    Night

    45°F

    Rain likely. Lows in the lower to mid 40s.

    Hourly details
  • Day

    50°F

    Rain at times. Highs in the lower 50s.

    Night

    44°F

    Mostly cloudy with rain likely in the evening then mostly cloudy with a chance of rain after midnight. Lows near 40.

    Hourly details
  • Day

    49°F

    Mostly cloudy with a chance of rain. Highs near 50.

    Night

    41°F

    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 41F. Dew point will be around 40F with an average humidity of 88%. Winds will be 7 mph from the S.

  • Day

    47°F

    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 47F. Dew point will be around 39F with an average humidity of 80%. Winds will be 5 mph from the S.

    Night

    38°F

    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 38F. Dew point will be around 36F with an average humidity of 84%. Winds will be 5 mph from the SE.

  • Day

    47°F

    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 47F. Dew point will be around 37F with an average humidity of 78%. Winds will be 5 mph from the S.

    Night

    39°F

    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 39F. Dew point will be around 36F with an average humidity of 83%. Winds will be 8 mph from the S.