Newhalem Weather Forecast

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    Rain

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    Rain

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    Rain

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    Rain Likely

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    Mostly Cloudy

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    Mostly Cloudy

Today 20 Dec Foothills and Valleys of the North Cascades

Mostly cloudy with a chance of rain in the Morning, then rain in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs in the lower to mid 40s. South wind 10 to 20 Mph with Gusts to 40 Mph.

Tonight 20 Dec Foothills and Valleys of the North Cascades

Rain in the Evening, then rain likely in the late evening and early morning. Rain in the morning. Rainfall Amounts a half inch to one inch possible. Lows in the mid 30s to lower 40s. South wind 10 to 15 Mph with Gusts to 30 Mph.

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Newhalem Temperature Statistics

December Temperature

Arlington Municipal Airport (54.7 miles)

  • Lowest 1 December, 2025

    30 °F

  • Average December

    47.4 °F

  • Highest 15 December, 2025

    60.1 °F

Climate (2020–Present)

Arlington Municipal Airport (54.7 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    59.8 °F
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