Lost Lake Weather Forecast

    • 50
    • 62

    Becoming Sunny

    • 47
    • 57

    Partly Sunny

    • 46
    • 62

    Mostly Sunny

    • 49
    • 65

    Mostly Sunny

    • 53
    • 69

    Mostly Sunny

    • 47
    • 61

    Mostly Sunny

Today 27 Jul Western Chelan County

Partly cloudy in the morning then clearing. Patchy smoke in the afternoon. Highs in the mid 70s to mid 80s. Gusts up to 20 Mph in the afternoon.

Tonight 27 Jul Western Chelan County

Mostly clear. Lows in the lower 50s to lower 60s.

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Lost Lake Temperature Statistics

July Temperature

Stampede Pass (41.6 miles)

  • Lowest 1 July, 2026

    39 °F

  • Average July

    57.9 °F

  • Highest 22 July, 2026

    88 °F

Climate (2021–2026)

Stampede Pass (41.6 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    48.3 °F
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