Lyman Lake Weather Forecast

    • 32
    • 47

    Partly Sunny

    • 31
    • 49

    Partly Sunny

    • 34
    • 49

    Mostly Cloudy

    • 37
    • 55

    Partly Sunny

    • 37
    • 54

    Partly Sunny

    • 38
    • 56

    Partly Sunny

Today 17 May Western Chelan County

Sunny. Highs in the upper 50s to upper 60s.

Tonight 17 May Western Chelan County

Partly cloudy. Lows in the upper 30s to upper 40s. Gusts up to 30 Mph decreasing to 20 Mph overnight.

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Lyman Lake Temperature Statistics

May Temperature

Arlington Municipal Airport (57.2 miles)

  • Lowest 12 May, 2026

    44.6 °F

  • Average May

    58.2 °F

  • Highest 12 May, 2026

    84 °F

Climate (2021–Present)

Arlington Municipal Airport (57.2 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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