Whitestone Lake Weather Forecast

    • 39
    • 67

    Mostly Sunny

    • 50
    • 69

    Increasing Clouds

    • 44
    • 66

    Mostly Cloudy

    • 46
    • 68

    Mostly Sunny

    • 48
    • 70

    Partly Sunny

    • 48
    • 71

    Partly Sunny

    • 49
    • 72

    Partly Sunny

Today 27 Sep Okanogan Valley

Partly cloudy. Highs in the 60s.

Tonight 27 Sep Okanogan Valley

Mostly clear. Lows in the upper 30s to lower 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Whitestone Lake Temperature Statistics

September Temperature

Omak Airport (23 miles)

  • Lowest 14 September, 2026

    44.7 °F

  • Average September

    64 °F

  • Highest 21 September, 2026

    86.6 °F

Climate (2021–2026)

Omak Airport (23 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.9 °F
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