McGinnis Lake Weather Forecast

    • 38
    • 53

    Mostly Sunny

    • 38
    • 56

    Partly Sunny

    • 43
    • 53

    Mostly Cloudy

    • 41
    • 53

    Rain

    • 35
    • 49

    Rain Likely

    • 32
    • 45

    Chance Rain

    • 32
    • 43

    Slight Chance Rain/Snow

Today 21 Oct Upper Columbia Basin

Sunny. Highs in the upper 50s to lower 60s. Southeast wind 5 to 10 Mph.

Tonight 21 Oct Upper Columbia Basin

Mostly clear. Lows in the mid to upper 30s. Northeast wind 5 to 10 Mph.

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McGinnis Lake Temperature Statistics

October Temperature

Omak Airport (41 miles)

  • Lowest 16 October, 2025

    28 °F

  • Average October

    52 °F

  • Highest 7 October, 2025

    73 °F

Climate (2020–Present)

Omak Airport (41 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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