Mary Ann Lake Weather Forecast

    • 48
    • 66

    Rain Showers

    • 37
    • 55

    Rain Showers

    • 35
    • 53

    Partly Sunny

    • 36
    • 55

    Partly Sunny

    • 38
    • 56

    Mostly Cloudy

    • 39
    • 55

    Mostly Cloudy

    • 38
    • 57

    Partly Sunny

Today 24 Sep Okanogan Highlands

Mostly cloudy. Highs in the 70s.

Tonight 24 Sep Okanogan Highlands

Mostly cloudy. A chance of rain Showers overnight. Lows in the mid 40s to mid 50s. Chance of precipitation 20 percent.

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

    64.5 °F

  • Highest 21 September, 2026

    86.6 °F

Climate (2021–2026)

Omak Airport (37.9 miles)

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

  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.9 °F
Get WillyWeather+ to remove ads