McGinnis Lake Weather Forecast

    • 21
    • 27

    Decreasing Clouds

    • 17
    • 29

    Mostly Sunny

    • 16
    • 26

    Mostly Sunny

    • 18
    • 28

    Partly Sunny

    • 21
    • 29

    Mostly Cloudy

    • 24
    • 32

    Partly Sunny

    • 26
    • 34

    Mostly Cloudy

Today 22 Jan Upper Columbia Basin

Cloudy. Highs in the lower to mid 30s. Light wind.

Tonight 22 Jan Upper Columbia Basin

Mostly cloudy. Lows in the lower to mid 20s. Light Wind, becoming north 5 to 10 Mph overnight.

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McGinnis Lake Temperature Statistics

January Temperature

Omak Airport (41 miles)

  • Lowest 1 January, 2026

    19 °F

  • Average January

    33.3 °F

  • Highest 15 January, 2026

    48 °F

Climate (2021–Present)

Omak Airport (41 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.9 °F
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