Tukwila Weather Forecast

    • 40
    • 50

    Decreasing Clouds

    • 44
    • 50

    Rain Likely

    • 46
    • 50

    Rain

    • 49
    • 54

    Rain Likely

    • 44
    • 58

    Mostly Cloudy

    • 42
    • 53

    Mostly Cloudy

Today 9 Jan Lowlands of Pierce and Southern King Counties

Mostly cloudy. Highs near 50. South wind to 10 Mph.

Tonight 9 Jan Lowlands of Pierce and Southern King Counties

Mostly cloudy. Areas of dense fog after midnight. Lows in the mid 30s to lower 40s. Light wind.

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Tukwila Temperature Statistics

January Temperature

Renton Municipal Airport (2.5 miles)

  • Lowest 1 January, 2026

    33.1 °F

  • Average January

    43.6 °F

  • Highest 3 January, 2026

    55 °F

Climate (2021–Present)

Renton Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    62.2 °F
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