Lost Lake Weather Forecast

    • 52
    • 64

    Mostly Cloudy

    • 45
    • 62

    Rain Showers Likely

    • 42
    • 49

    Rain Showers

    • 41
    • 45

    Rain Showers

    • 43
    • 49

    Chance Rain Showers

    • 47
    • 55

    Mostly Cloudy

Today 31 Aug Western Chelan County

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

Tonight 31 Aug Western Chelan County

Patchy smoke in the evening. Partly cloudy. Lows in the mid 50s to mid 60s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

August Temperature

Stampede Pass (41.6 miles)

  • Lowest 29 August, 2026

    41 °F

  • Average August

    58.4 °F

  • Highest 21 August, 2026

    86 °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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