Trafton Weather Forecast

    • 51
    • 78

    Mostly Sunny

    • 52
    • 75

    Partly Sunny

    • 52
    • 77

    Mostly Sunny

    • 53
    • 72

    Chance Rain

    • 51
    • 70

    Chance Rain

    • 51
    • 72

    Chance Rain

Today 17 Sep Foothills and Valleys of the North Cascades

Sunny. Highs in the 70s. Southeast wind to 10 Mph becoming west around 10 Mph in the afternoon.

Tonight 17 Sep Foothills and Valleys of the North Cascades

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

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Trafton Temperature Statistics

September Temperature

Arlington Municipal Airport (6.8 miles)

  • Lowest 9 September, 2025

    51.8 °F

  • Average September

    63.1 °F

  • Highest 3 September, 2025

    81 °F

Climate (2020–Present)

Arlington Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    59.7 °F
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