Duwamish Waterway Weather Forecast

    • 47
    • 66

    Decreasing Clouds

    • 43
    • 71

    Partly Sunny

    • 40
    • 57

    Partly Sunny

    • 41
    • 59

    Mostly Sunny

    • 42
    • 63

    Mostly Sunny

    • 43
    • 62

    Partly Sunny

Today 5 Apr City of Seattle

Partly sunny. Highs in the 60s. North wind to 10 Mph.

Tonight 5 Apr City of Seattle

Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid to upper 40s. North wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duwamish Waterway Temperature Statistics

April Temperature

Boeing Field - King County International Airport (0.6 miles)

  • Lowest 2 April, 2026

    41 °F

  • Average April

    48.7 °F

  • Highest 3 April, 2026

    59 °F

Climate (2021–Present)

Boeing Field - King County International Airport (0.6 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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