Mary Ann Lake Weather Forecast

    • 45
    • 75

    Decreasing Clouds

    • 47
    • 73

    Increasing Clouds

    • 41
    • 69

    Mostly Cloudy

    • 45
    • 71

    Mostly Sunny

    • 43
    • 72

    Partly Sunny

    • 42
    • 70

    Mostly Sunny

    • 44
    • 72

    Mostly Sunny

Today 6 May Okanogan Highlands

Partly cloudy. Highs in the mid 70s to mid 80s.

Tonight 6 May Okanogan Highlands

Partly cloudy. Lows in the mid 40s to lower 50s. West wind 5 to 15 Mph with Gusts up to 35 Mph in the Evening, becoming light and variable. In the Mountains, northwest wind 15 to 25 Mph, Gusts up to 40 Mph decreasing to 30 Mph overnight.

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Mary Ann Lake Temperature Statistics

May Temperature

Omak Airport (37.9 miles)

  • Lowest 1 May, 2026

    39.7 °F

  • Average May

    65.5 °F

  • Highest 3 May, 2026

    86.6 °F

Climate (2021–Present)

Omak Airport (37.9 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    63 °F
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