Newhalem Weather Forecast

    • 49
    • 61

    Rain Likely

    • 56
    • 77

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 48
    • 69

    Chance Rain

    • 45
    • 63

    Chance Rain

    • 45
    • 65

    Partly Sunny

Today 23 Aug Foothills and Valleys of the North Cascades

Mostly cloudy. A chance of rain until late afternoon. Highs in the 70s. South wind to 10 Mph in the morning becoming Light, Gusts to 20 Mph in the morning.

Tonight 23 Aug Foothills and Valleys of the North Cascades

Partly cloudy. Lows in the lower to mid 50s. Light wind.

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Newhalem Temperature Statistics

August Temperature

Arlington Municipal Airport (54.7 miles)

  • Lowest 3 August, 2026

    46.4 °F

  • Average August

    64.5 °F

  • Highest 6 August, 2026

    84.9 °F

Climate (2021–2026)

Arlington Municipal Airport (54.7 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
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