Mary Ann Lake Weather Forecast

    • 47
    • 75

    Increasing Clouds

    • 43
    • 70

    Partly Sunny

    • 42
    • 62

    Partly Sunny

    • 43
    • 58

    Rain Showers Likely

    • 37
    • 53

    Chance Rain Showers

    • 35
    • 51

    Mostly Cloudy

Today 21 Sep Okanogan Highlands

Sunny. Highs in the upper 70s to mid 80s.

Tonight 21 Sep Okanogan Highlands

Mostly cloudy. Lows in the upper 40s to mid 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mary Ann Lake Temperature Statistics

September Temperature

Omak Airport (37.9 miles)

  • Lowest 14 September, 2026

    44.7 °F

  • Average September

    63.9 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Omak Airport (37.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.9 °F
Get WillyWeather+ to remove ads