Northwest Seattle Weather Forecast

    • 43
    • 61

    Becoming Sunny

    • 42
    • 62

    Mostly Sunny

    • 42
    • 63

    Mostly Sunny

    • 45
    • 66

    Mostly Sunny

    • 46
    • 66

    Partly Sunny

    • 46
    • 66

    Mostly Sunny

Today 23 Apr City of Seattle

Mostly cloudy in the morning then becoming sunny. Highs near 60. South wind 10 to 15 Mph becoming southwest in the afternoon.

Tonight 23 Apr City of Seattle

Mostly clear. Lows in the lower to mid 40s. North wind around 10 Mph in the evening becoming light.

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Northwest Seattle Temperature Statistics

April Temperature

Boeing Field - King County International Airport (10.6 miles)

  • Lowest 8 April, 2026

    37 °F

  • Average April

    51.8 °F

  • Highest 19 April, 2026

    73 °F

Climate (2021–Present)

Boeing Field - King County International Airport (10.6 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    61.6 °F
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