Lost Lake Weather Forecast

    • 45
    • 57

    Mostly Sunny

    • 38
    • 62

    Partly Sunny

    • 37
    • 47

    Partly Sunny

    • 36
    • 41

    Chance Rain/Snow

    • 33
    • 40

    Chance Rain/Snow

    • 32
    • 37

    Chance Snow Showers

Today 11 May Western Chelan County

Sunny. Highs in the upper 60s to upper 70s.

Tonight 11 May Western Chelan County

Mostly clear. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

May Temperature

Stampede Pass (41.6 miles)

  • Lowest 7 May, 2026

    37.9 °F

  • Average May

    52.7 °F

  • Highest 3 May, 2026

    71.1 °F

Climate (2021–Present)

Stampede Pass (41.6 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    48.4 °F
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