Puget Sound - Seattle Weather Forecast

    • 52
    • 69

    Becoming Sunny

    • 53
    • 72

    Mostly Sunny

    • 58
    • 71

    Rain

    • 52
    • 67

    Chance Rain

    • 54
    • 69

    Partly Sunny

    • 57
    • 70

    Chance Rain

Today 18 Sep City of Seattle

Sunny. Highs near 70. Light wind becoming north around 10 Mph in the afternoon.

Tonight 18 Sep City of Seattle

Clear. Lows in the lower to mid 50s. North wind to 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Puget Sound - Seattle Temperature Statistics

September Temperature

Boeing Field - King County International Airport (4.3 miles)

  • Lowest 15 September, 2025

    54 °F

  • Average September

    66 °F

  • Highest 16 September, 2025

    91 °F

Climate (2020–Present)

Boeing Field - King County International Airport (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    61.4 °F
Get WillyWeather+ to remove ads