Puget Sound - Seattle Weather Forecast

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    Rain Showers

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    Rain Showers

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    Rain

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    Rain

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    Chance Rain

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    Chance Rain

Today 19 Dec City of Seattle

Partly sunny with a chance of Showers in the Morning, then mostly cloudy with Showers likely in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the lower to mid 40s. South wind 10 to 15 Mph becoming southwest 10 to 20 Mph in the afternoon.

Tonight 19 Dec City of Seattle

Showers likely in the Evening, then a chance of Showers after midnight. Showers likely in the morning. Rainfall Amounts less than a tenth of an inch likely. Lows near 40. South wind 10 to 20 Mph.

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Puget Sound - Seattle Temperature Statistics

December Temperature

Boeing Field - King County International Airport (4.3 miles)

  • Lowest 1 December, 2025

    34 °F

  • Average December

    49.8 °F

  • Highest 15 December, 2025

    59 °F

Climate (2020–Present)

Boeing Field - King County International Airport (4.3 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    61.5 °F
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