Lake Valhalla Weather Forecast

    • 42
    • 48

    Rain Showers

    • 42
    • 51

    Mostly Cloudy

    • 42
    • 53

    Slight Chance Rain Showers

    • 46
    • 68

    Sunny

    • 48
    • 72

    Sunny

    • 48
    • 70

    Mostly Sunny

    • 46
    • 66

    Partly Sunny

Today 13 Sep Western Chelan County

Rain Showers. Highs in the upper 50s to upper 60s. Chance of precipitation near 100 percent. Rainfall Amounts less than a quarter of an inch.

Tonight 13 Sep Western Chelan County

Mostly cloudy. Rain Showers likely in the Evening, then a chance of rain Showers overnight. Lows in the mid to upper 40s. Gusts up to 35 Mph. Chance of precipitation 70 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 °F

  • Highest 9 September, 2026

    71.1 °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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