Larch Lake Weather Forecast

    • 51
    • 74

    Becoming Sunny

    • 51
    • 69

    Mostly Sunny

    • 46
    • 66

    Partly Sunny

    • 46
    • 62

    Mostly Cloudy

    • 45
    • 58

    Mostly Cloudy

    • 45
    • 62

    Partly Sunny

Today 4 May Foothills and Valleys of the North Cascades

Sunny. Highs in the mid 70s to lower 80s. Northeast wind to 10 Mph becoming west in the afternoon.

Tonight 4 May Foothills and Valleys of the North Cascades

Mostly clear. Lows in the lower to mid 50s. West wind to 10 Mph in the evening becoming light.

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Larch Lake Temperature Statistics

May Temperature

Arlington Municipal Airport (16.2 miles)

  • Lowest

  • Average May

  • Highest

Climate (2021–Present)

Arlington Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    42.6 °F
  • Average 2021–2026

    50.8 °F
  • Average High 2021–2026

    59.9 °F
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