Lake Valhalla Weather Forecast

    • 35
    • 49

    Increasing Clouds

    • 35
    • 55

    Partly Sunny

    • 42
    • 55

    Rain Showers Likely

    • 39
    • 48

    Rain Showers Likely

    • 39
    • 49

    Chance Rain Showers

    • 39
    • 50

    Chance Rain Showers

Today 26 Sep Western Chelan County

Partly cloudy in the morning then clearing. Highs in the mid 50s to lower 60s. Gusts up to 30 Mph in the morning.

Tonight 26 Sep Western Chelan County

Mostly cloudy. Lows in the upper 30s to upper 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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

    36.2 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.2 °F
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