Trafton Lake Weather Forecast

    • 50
    • 65

    Decreasing Clouds

    • 50
    • 65

    Mostly Cloudy

    • 51
    • 66

    Partly Sunny

    • 51
    • 64

    Mostly Cloudy

    • 51
    • 61

    Mostly Cloudy

    • 51
    • 60

    Chance Rain

Today 19 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy until late afternoon then becoming mostly sunny. Highs in the 60s. Light wind.

Tonight 19 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the upper 40s to mid 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Trafton Lake Temperature Statistics

September Temperature

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

  • Lowest 16 September, 2026

    46 °F

  • Average September

    57.3 °F

  • Highest 7 September, 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

    55.9 °F
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