Backman County Park Weather Forecast

    • 46
    • 69

    Chance Rain Showers

    • 48
    • 72

    Chance Rain Showers

    • 51
    • 76

    Partly Sunny

    • 52
    • 71

    Mostly Cloudy

    • 52
    • 74

    Partly Sunny

    • 54
    • 80

    Partly Sunny

Today 4 Sep Foothills and Valleys of the North Cascades

Partly sunny. A chance of Showers in the morning. A slight chance of Thunderstorms in the afternoon. A chance of Showers late in the afternoon. Highs in the mid 60s to lower 70s. Light wind.

Tonight 4 Sep Foothills and Valleys of the North Cascades

Mostly cloudy. A slight chance of Showers in the evening. A slight chance of Showers in the morning. Lows near 50. Light wind.

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Backman County Park Temperature Statistics

September Temperature

Arlington Municipal Airport (26.7 miles)

  • Lowest 1 September, 2026

    51.1 °F

  • Average September

    61.8 °F

  • Highest 2 September, 2026

    71.1 °F

Climate (2021–2026)

Arlington Municipal Airport (26.7 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
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