McDonald Lake Weather Forecast

    • 47
    • 73

    Mostly Sunny

    • 53
    • 81

    Mostly Cloudy

    • 42
    • 69

    Rain Showers Likely

    • 41
    • 66

    Mostly Sunny

    • 39
    • 63

    Breezy

    • 37
    • 61

    Partly Sunny

    • 41
    • 64

    Partly Sunny

Today 11 May Okanogan Valley

Sunny. Highs in the 70s.

Tonight 11 May Okanogan Valley

Mostly clear. Lows in the upper 40s to lower 50s.

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McDonald Lake Temperature Statistics

May Temperature

Omak Airport (18.6 miles)

  • Lowest 1 May, 2026

    39.7 °F

  • Average May

    65.7 °F

  • Highest 3 May, 2026

    86.6 °F

Climate (2021–Present)

Omak Airport (18.6 miles)

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  • Average Low 2021–2026

    41 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    63 °F
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