Seattle Weather Forecast

    • 39
    • 51

    Rain Showers

    • 43
    • 52

    Rain

    • 50
    • 53

    Rain

    • 48
    • 59

    Rain Likely

    • 50
    • 67

    Chance Rain

    • 47
    • 64

    Rain

    • 42
    • 55

    Rain

Today 21 Mar Seattle and Vicinity

Rain. Rainfall Amounts a quarter to a half inch possible. Highs near 50. South wind 10 to 15 Mph becoming southwest in the afternoon. Gusts to 25 Mph.

Tonight 21 Mar Seattle and Vicinity

Showers in the Evening, then Showers likely after midnight. Lows near 40.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seattle Temperature Statistics

March Temperature

Boeing Field - King County International Airport (3.7 miles)

  • Lowest 18 March, 2025

    33.1 °F

  • Average March

    46.5 °F

  • Highest 1 March, 2025

    63.6 °F

Climate (2020–Present)

Boeing Field - King County International Airport (3.7 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.2 °F
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