Stewart Lake Weather Forecast

    • 36
    • 53

    Mostly Sunny

    • 38
    • 54

    Partly Sunny

    • 42
    • 53

    Chance Rain

    • 39
    • 51

    Rain Likely

    • 35
    • 49

    Rain Likely

    • 31
    • 46

    Chance Rain/Snow

Today 21 Oct Okanogan Valley

Mostly sunny. Highs in the lower 50s to lower 60s.

Tonight 21 Oct Okanogan Valley

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

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Stewart Lake Temperature Statistics

October Temperature

Omak Airport (13.7 miles)

  • Lowest 16 October, 2025

    28 °F

  • Average October

    52.2 °F

  • Highest 7 October, 2025

    73 °F

Climate (2020–Present)

Omak Airport (13.7 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    62.7 °F
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