Newhalem Weather Forecast

    • 48
    • 61

    Chance Rain

    • 46
    • 58

    Chance Rain

    • 46
    • 57

    Chance Rain

    • 47
    • 59

    Mostly Cloudy

    • 47
    • 63

    Partly Sunny

    • 49
    • 69

    Mostly Sunny

    • 51
    • 71

    Partly Sunny

Today 29 Jun Foothills and Valleys of the North Cascades

Mostly cloudy. A slight chance of rain in the morning. Highs near 70. Light wind.

Tonight 29 Jun Foothills and Valleys of the North Cascades

Mostly cloudy. A slight chance of rain after midnight. Lows in the lower to mid 50s. South wind to 10 Mph in the evening becoming light.

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Newhalem Temperature Statistics

June Temperature

Arlington Municipal Airport (54.7 miles)

  • Lowest 1 June, 2026

    39.9 °F

  • Average June

    61.3 °F

  • Highest 23 June, 2026

    87.1 °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

    59.9 °F
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