Thunder Arm Weather Forecast

    • 47
    • 69

    Sunny

    • 46
    • 67

    Rain Showers

    • 38
    • 48

    Rain Showers Likely

    • 39
    • 57

    Mostly Sunny

    • 45
    • 67

    Partly Sunny

    • 45
    • 67

    Partly Sunny

Today 1 May Foothills and Valleys of the North Cascades

Sunny. Highs in the 70s. Light wind.

Tonight 1 May Foothills and Valleys of the North Cascades

Clear. Lows near 50. Light wind.

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Thunder Arm Temperature Statistics

May Temperature

Arlington Municipal Airport (60.9 miles)

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  • Average May

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Climate (2020–Present)

Arlington Municipal Airport (60.9 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    59.5 °F
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