White Rock Lakes Weather Forecast

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    • 43

    Rain/Snow

    • 30
    • 35

    Mostly Cloudy

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    • 42

    Partly Sunny

    • 35
    • 41

    Rain/Snow Likely

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    • 37

    Rain/Snow Likely

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    • 39

    Chance Rain/Snow

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    • 36

    Chance Rain/Snow

Today 25 Sep Western Chelan County

Partly cloudy. Highs in the mid 50s to mid 60s.

Tonight 25 Sep Western Chelan County

Rain and mountain snow Showers in the Evening, then a chance of rain and mountain snow Showers overnight. Mountain snow accumulation up to 2 Inches. Snow level 5500 feet. Lows in the upper 30s to upper 40s. Breezy. West wind 5 to 15 Mph with Gusts up to 45 Mph, except west 10 to 20 Mph with Gusts up to 40 Mph in the Mountains. Chance of precipitation near 100 percent.

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White Rock Lakes Temperature Statistics

September Temperature

Arlington Municipal Airport (52.2 miles)

  • Lowest 16 September, 2026

    44.1 °F

  • Average September

    59 °F

  • Highest 9 September, 2026

    78.1 °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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