Lake Valhalla Weather Forecast

    • 52
    • 68

    Sunny

    • 48
    • 73

    Mostly Sunny

    • 52
    • 72

    Partly Sunny

    • 49
    • 73

    Partly Sunny

    • 48
    • 65

    Mostly Cloudy

    • 46
    • 56

    Chance Rain Showers

Today 16 Sep Western Chelan County

Sunny. Highs in the mid 70s to mid 80s. Southeast wind 5 to 15 Mph in the afternoon. Gusts up to 30 Mph.

Tonight 16 Sep Western Chelan County

Haze and Areas of smoke in the evening. Clear. Lows in the mid 50s to lower 60s. Gusts up to 25 Mph in the evening.

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Lake Valhalla Temperature Statistics

September Temperature

Stampede Pass (37.3 miles)

  • Lowest 12 September, 2025

    48 °F

  • Average September

    60.6 °F

  • Highest 2 September, 2025

    87.1 °F

Climate (2020–Present)

Stampede Pass (37.3 miles)

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  • Average Low 2020–2025

    36.3 °F

  • Average 2020–2025

    41.6 °F

  • Average High 2020–2025

    48.3 °F
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