Lake Valhalla Weather Forecast

    • 41
    • 55

    Rain Showers Likely

    • 41
    • 59

    Chance Rain Showers

    • 42
    • 62

    Partly Sunny

    • 47
    • 56

    Mostly Cloudy

    • 48
    • 65

    Partly Sunny

    • 51
    • 72

    Partly Sunny

Today 4 Sep Western Chelan County

Partly cloudy in the Morning, becoming mostly cloudy. A chance of Showers and Thunderstorms in the afternoon. Highs in the lower 60s to lower 70s. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 4 Sep Western Chelan County

Partly cloudy. A chance of rain Showers in the evening. Lows in the 40s. Chance of precipitation 40 percent. Rainfall Amounts less than a tenth of an inch.

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Lake Valhalla Temperature Statistics

September Temperature

Stampede Pass (37.3 miles)

  • Lowest 2 September, 2026

    41 °F

  • Average September

    50.6 °F

  • Highest 1 September, 2026

    61 °F

Climate (2021–2026)

Stampede Pass (37.3 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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