Newhalem Weather Forecast

    • 55
    • 79

    Areas Smoke

    • 55
    • 81

    Smoke

    • 57
    • 82

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

Today 4 Aug Foothills and Valleys of the North Cascades

Sunny. Patchy smoke through the day. Highs in the 80s to lower 90s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 4 Aug Foothills and Valleys of the North Cascades

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

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Newhalem Temperature Statistics

August Temperature

Arlington Municipal Airport (54.7 miles)

  • Lowest 2 August, 2026

    53.1 °F

  • Average August

    60.8 °F

  • Highest 2 August, 2026

    70 °F

Climate (2021–2026)

Arlington Municipal Airport (54.7 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.8 °F
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