White Rock Lakes Weather Forecast

    • 37
    • 41

    Gradual Clearing

    • 41
    • 52

    Mostly Sunny

    • 43
    • 56

    Partly Sunny

    • 35
    • 47

    Partly Sunny

    • 34
    • 42

    Chance Rain/Snow

    • 35
    • 43

    Chance Rain/Snow

Today 7 Sep Western Chelan County

Mostly cloudy. A chance of rain Showers in the afternoon. Highs in the lower 60s to lower 70s. Chance of precipitation 20 percent.

Tonight 7 Sep Western Chelan County

Mostly cloudy. Lows in the mid 40s to mid 50s. Gusts up to 25 Mph.

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White Rock Lakes Temperature Statistics

September Temperature

Arlington Municipal Airport (52.2 miles)

  • Lowest 1 September, 2026

    51.1 °F

  • Average September

    60.6 °F

  • Highest 4 September, 2026

    73 °F

Climate (2021–2026)

Arlington Municipal Airport (52.2 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
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