White Rock Lakes Weather Forecast

    • 48
    • 56

    Breezy

    • 47
    • 59

    Mostly Sunny

    • 48
    • 58

    Mostly Sunny

    • 45
    • 59

    Partly Sunny

    • 40
    • 50

    Chance Rain

    • 40
    • 43

    Chance Rain/Snow

Today 16 Sep Western Chelan County

Sunny. Highs in the mid 70s to mid 80s. Southeast wind 5 to 15 Mph in the afternoon. Gusts up to 30 Mph.

Tonight 16 Sep Western Chelan County

Clear. Lows in the lower 50s to lower 60s. Gusts up to 25 Mph in the evening.

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White Rock Lakes Temperature Statistics

September Temperature

Arlington Municipal Airport (52.2 miles)

  • Lowest 9 September, 2025

    51.8 °F

  • Average September

    63.4 °F

  • Highest 3 September, 2025

    81 °F

Climate (2020–Present)

Arlington Municipal Airport (52.2 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    59.7 °F
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