Lake Valhalla Weather Forecast

    • 41
    • 55

    Increasing Clouds

    • 41
    • 55

    Increasing Clouds

    • 43
    • 59

    Rain

    • 36
    • 45

    Rain

    • 36
    • 48

    Mostly Cloudy

    • 37
    • 51

    Mostly Cloudy

    • 39
    • 51

    Chance Rain Showers

Today 22 Sep Western Chelan County

Mostly cloudy with a 50 percent chance of rain Showers. Highs in the upper 50s to mid 60s.

Tonight 22 Sep Western Chelan County

Mostly cloudy. Lows in the lower to mid 40s. Northwest wind 5 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Real-Time

Lake Valhalla Temperature Statistics

September Temperature

Stampede Pass (37.3 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    51.6 °F

  • Highest 20 September, 2026

    73 °F

Climate (2021–2026)

Stampede Pass (37.3 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.2 °F
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