Central Seattle Weather Forecast

    • 53
    • 70

    Becoming Sunny

    • 54
    • 73

    Mostly Sunny

    • 59
    • 72

    Rain Likely

    • 53
    • 69

    Chance Rain

    • 55
    • 71

    Partly Sunny

    • 57
    • 70

    Chance Rain

Today 18 Sep City of Seattle

Partly sunny in the morning then becoming sunny. Highs in the mid 60s to lower 70s. Light wind becoming north around 10 Mph in the afternoon.

Tonight 18 Sep City of Seattle

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

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Central Seattle Temperature Statistics

September Temperature

Boeing Field - King County International Airport (4.3 miles)

  • Lowest 15 September, 2025

    54 °F
  • Average September

    65.5 °F
  • Highest 3 September, 2025

    81 °F

Climate (2020–Present)

Boeing Field - King County International Airport (4.3 miles)

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  • Average Low 2020–2025

    47 °F
  • Average 2020–2025

    54 °F
  • Average High 2020–2025

    61.4 °F
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