Seattle-Tacoma International Airport Weather Forecast

    • 64
    • 86

    Mostly Cloudy

    • 63
    • 81

    Mostly Cloudy

    • 61
    • 82

    Partly Sunny

    • 62
    • 85

    Partly Sunny

    • 60
    • 79

    Partly Sunny

    • 58
    • 77

    Partly Sunny

Today 26 Aug Lowlands of Pierce and Southern King Counties

Partly sunny. Highs in the upper 70s to mid 80s. Light wind becoming north to 10 Mph in the afternoon.

Tonight 26 Aug Lowlands of Pierce and Southern King Counties

Mostly cloudy. Lows in the lower to mid 60s. North wind to 10 Mph in the evening becoming light.

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Seattle-Tacoma International Airport Temperature Statistics

August Temperature

Seattle, Seattle-Tacoma International Airport (0 miles)

  • Lowest 21 August, 2025

    53.7 °F

  • Average August

    68.7 °F

  • Highest 12 August, 2025

    92.6 °F

Climate (2020–Present)

Seattle, Seattle-Tacoma International Airport (0 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    53.3 °F

  • Average High 2020–2025

    61.1 °F
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