Trafton Lake Weather Forecast

    • 54
    • 72

    Partly Sunny

    • 53
    • 71

    Partly Sunny

    • 52
    • 69

    Partly Sunny

    • 53
    • 70

    Partly Sunny

    • 54
    • 66

    Mostly Cloudy

    • 54
    • 65

    Mostly Cloudy

Today 13 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Highs in the 70s. Light wind.

Tonight 13 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the 50s. West wind to 10 Mph in the evening becoming light.

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Trafton Lake Temperature Statistics

August Temperature

Whidbey Island Naval Air Station - Ault Field (5.6 miles)

  • Lowest 3 August, 2026

    48 °F

  • Average August

    57.7 °F

  • Highest 5 August, 2026

    69.1 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (5.6 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    56 °F
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