Newhalem Weather Forecast

    • 51
    • 75

    Increasing Clouds

    • 48
    • 64

    Chance Rain

    • 46
    • 62

    Chance Rain

    • 44
    • 60

    Chance Rain

    • 47
    • 63

    Partly Sunny

    • 48
    • 65

    Chance Rain

Today 26 Aug Foothills and Valleys of the North Cascades

Mostly sunny. Areas of fog in the morning. Highs in the mid 70s to lower 80s. Light wind.

Tonight 26 Aug Foothills and Valleys of the North Cascades

Partly cloudy. Lows in the 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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