Lake Valhalla Weather Forecast

    • 38
    • 47

    Rain Showers

    • 41
    • 53

    Mostly Cloudy

    • 44
    • 56

    Chance Rain Showers

    • 41
    • 57

    Partly Sunny

    • 44
    • 62

    Partly Sunny

    • 45
    • 65

    Partly Sunny

Today 29 Sep Western Chelan County

Rain Showers. Highs in the mid 50s to mid 60s. Northwest wind 5 to 15 Mph in the afternoon. Gusts up to 30 Mph. In the Mountains, west wind 15 to 25 Mph with Gusts up to 40 Mph. Chance of precipitation near 100 percent. Rainfall Amounts up to three Quarters of an inch possible.

Tonight 29 Sep Western Chelan County

Mostly cloudy. Rain Showers in the Evening, then a chance of rain Showers overnight. Snow level 6000 feet overnight. Lows in the upper 30s to upper 40s. Gusts up to 20 Mph increasing to 30 Mph overnight. Chance of precipitation 90 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 3 September, 2026

    39.9 °F

  • Average September

    51.7 °F

  • Highest 20 September, 2026

    73 °F

Climate (2021–2026)

Stampede Pass (37.3 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.2 °F
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