Northwest Seattle Weather Forecast

    • 51
    • 55

    Rain

    • 50
    • 55

    Rain

    • 40
    • 56

    Rain

    • 35
    • 48

    Slight Chance Rain Showers

    • 37
    • 50

    Mostly Cloudy

    • 40
    • 51

    Rain Likely

Today 18 Mar City of Seattle

Rain at Times. 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 18 Mar City of Seattle

Rain at Times. Rainfall Amounts less than a tenth of an inch likely. Lows in the lower 50s. South wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Northwest Seattle Temperature Statistics

March Temperature

Boeing Field - King County International Airport (10.6 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 (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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