Mary Ann Lake Weather Forecast

    • 59
    • 88

    Mostly Sunny

    • 64
    • 90

    Mostly Cloudy

    • 54
    • 86

    Chance Rain Showers

    • 50
    • 73

    Chance Rain Showers

    • 52
    • 78

    Partly Sunny

    • 53
    • 81

    Partly Sunny

Today 20 Aug Okanogan Highlands

Sunny, haze. Highs in the upper 80s to mid 90s.

Tonight 20 Aug Okanogan Highlands

Partly cloudy. Lows in the mid 50s to mid 60s.

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Mary Ann Lake Temperature Statistics

August Temperature

Omak Airport (37.9 miles)

  • Lowest 3 August, 2026

    50.6 °F

  • Average August

    73.5 °F

  • Highest 6 August, 2026

    95.6 °F

Climate (2021–2026)

Omak Airport (37.9 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.9 °F
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