Lost Lake Weather Forecast

    • 35
    • 62

    Rain Showers Likely

    • 35
    • 47

    Rain Showers

    • 35
    • 39

    Chance Snow Showers

    • 33
    • 38

    Snow Showers Likely

    • 33
    • 46

    Chance Snow Showers

    • 35
    • 53

    Partly Sunny

    • 39
    • 58

    Partly Sunny

Today 12 May Western Chelan County

Partly cloudy. Highs in the mid 70s to mid 80s.

Tonight 12 May Western Chelan County

Mostly cloudy. A chance of Showers and Thunderstorms overnight. Some Thunderstorms may produce gusty Winds overnight. Lows in the mid 40s to mid 50s. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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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

    52.1 °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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