Newhalem Weather Forecast

    • 57
    • 79

    Becoming Sunny

    • 53
    • 77

    Partly Sunny

    • 47
    • 68

    Rain

    • 44
    • 55

    Rain

    • 45
    • 54

    Chance Rain

    • 47
    • 56

    Chance Rain

Today 23 Jun Foothills and Valleys of the North Cascades

Mostly sunny. Highs in the mid 80s to lower 90s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 23 Jun Foothills and Valleys of the North Cascades

Mostly clear. Lows in the mid to upper 50s. Northwest wind to 10 Mph becoming north after midnight.

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Newhalem Temperature Statistics

June Temperature

Arlington Municipal Airport (54.7 miles)

  • Lowest 1 June, 2026

    39.9 °F

  • Average June

    60.4 °F

  • Highest 15 June, 2026

    86 °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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