Lyman Lake Weather Forecast

    • 41
    • 61

    Becoming Sunny

    • 48
    • 71

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 53
    • 76

    Chance Rain Showers

    • 51
    • 73

    Chance Rain Showers

    • 50
    • 72

    Mostly Sunny

Today 12 Jul Western Chelan County

Sunny. Highs in the lower 70s to lower 80s.

Tonight 12 Jul Western Chelan County

Clear. Lows in the upper 40s to upper 50s. Gusts up to 20 Mph in the evening.

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  • Temperature Real-Time

Lyman Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (57.2 miles)

  • Lowest 5 July, 2026

    46.4 °F

  • Average July

    61.3 °F

  • Highest 6 July, 2026

    81 °F

Climate (2021–2026)

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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