Seattle-Tacoma International Airport Weather Forecast

    • 58
    • 78

    Decreasing Clouds

    • 59
    • 79

    Partly Sunny

    • 57
    • 76

    Partly Sunny

    • 57
    • 76

    Partly Sunny

    • 58
    • 78

    Partly Sunny

    • 58
    • 78

    Mostly Cloudy

Today 16 Aug Lowlands of Pierce and Southern King Counties

Cloudy in the morning then becoming partly sunny. Patchy fog in the morning. Highs in the 70s. Light wind.

Tonight 16 Aug Lowlands of Pierce and Southern King Counties

Mostly cloudy. Patchy fog in the morning. Lows in the 50s to lower 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 3 August, 2026

    53.7 °F

  • Average August

    68.5 °F

  • Highest 6 August, 2026

    88.6 °F

Climate (2021–2026)

Seattle, Seattle-Tacoma International Airport (0 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    61.2 °F
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