Seattle Weather Forecast

    • 53
    • 64

    Rain Showers Likely

    • 51
    • 66

    Partly Sunny

    • 55
    • 71

    Partly Sunny

    • 53
    • 67

    Chance Rain

    • 52
    • 66

    Partly Sunny

    • 54
    • 71

    Partly Sunny

    • 53
    • 71

    Partly Sunny

Today 19 Sep Seattle and Vicinity

A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Showers late in the afternoon. Rainfall Amounts less than a tenth of an inch Likely, except higher Amounts possible in Thunderstorms. Highs in the upper 50s to mid 60s. Southwest wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seattle Temperature Statistics

September Temperature

Boeing Field - King County International Airport (3.7 miles)

  • Lowest 1 September, 2021

    46.9 °F

  • Average September

    63.5 °F

  • Highest 9 September, 2021

    80.1 °F

Climate (2010–Present)

Boeing Field - King County International Airport (3.7 miles)

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  • Average Low 2010–Present

    47.9 °F

  • Average 2010–Present

    54.6 °F

  • Average High 2010–Present

    62 °F
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