Duwamish Waterway Weather Forecast

    • 41
    • 57

    Rain

    • 38
    • 50

    Chance Rain

    • 39
    • 53

    Chance Rain

    • 43
    • 53

    Rain Likely

    • 41
    • 54

    Rain

    • 37
    • 52

    Rain

Today 20 Mar City of Seattle

Rain at Times until late Afternoon, then cloudy with a chance of Showers late in the afternoon. Rainfall Amounts a tenth to a quarter of an inch possible. Highs in the mid to upper 50s. South wind 10 to 20 Mph.

Tonight 20 Mar City of Seattle

Cloudy. Showers likely in the Evening, then a chance of Showers in the late evening and early morning. A slight chance of Showers in the morning. Rainfall Amounts less than a tenth of an inch likely. Lows in the lower 40s. Southwest wind 10 to 20 Mph becoming northeast around 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duwamish Waterway Temperature Statistics

March Temperature

Boeing Field - King County International Airport (0.6 miles)

  • Lowest 13 March, 2026

    32 °F

  • Average March

    45.3 °F

  • Highest 2 March, 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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