Sidley Lake Weather Forecast

    • 40
    • 66

    Increasing Clouds

    • 39
    • 65

    Mostly Cloudy

    • 43
    • 67

    Partly Sunny

    • 45
    • 68

    Partly Sunny

    • 39
    • 62

    Mostly Cloudy

    • 33
    • 50

    Partly Sunny

Today 5 Oct Okanogan Highlands

Mostly sunny. Highs in the 70s.

Tonight 5 Oct Okanogan Highlands

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

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Sidley Lake Temperature Statistics

October Temperature

Omak Airport (38.5 miles)

  • Lowest 2 October, 2026

    46 °F

  • Average October

    58.5 °F

  • Highest 2 October, 2026

    73 °F

Climate (2021–2026)

Omak Airport (38.5 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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