Mary Ann Lake Weather Forecast

    • 52
    • 71

    Rain Showers

    • 51
    • 73

    Rain Showers Likely

    • 55
    • 80

    Mostly Sunny

    • 54
    • 83

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

    • 53
    • 78

    Partly Sunny

    • 54
    • 80

    Mostly Sunny

Today 21 Jul Okanogan Highlands

Rain Showers likely and a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the upper 60s to upper 70s. Chance of precipitation 70 percent. Rainfall Amounts less than a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 21 Jul Okanogan Highlands

A chance of Thunderstorms in the evening. Rain Showers likely. Some Thunderstorms may produce heavy rainfall in the evening. Lows in the 50s. Chance of precipitation 70 percent. Rainfall Amounts less than a quarter of an Inch, except higher Amounts possible in Thunderstorms.

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Mary Ann Lake Temperature Statistics

July Temperature

Omak Airport (37.9 miles)

  • Lowest 11 July, 2025

    52.6 °F

  • Average July

    76.6 °F

  • Highest 13 July, 2025

    103.6 °F

Climate (2020–Present)

Omak Airport (37.9 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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