Mary Ann Lake Weather Forecast

    • 39
    • 59

    Chance Rain Showers

    • 40
    • 59

    Chance Rain Showers

    • 40
    • 60

    Chance Rain Showers

    • 43
    • 64

    Partly Sunny

    • 45
    • 66

    Mostly Cloudy

    • 45
    • 66

    Mostly Cloudy

Today 3 Sep Okanogan Highlands

Mostly cloudy. Rain Showers likely in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the 60s. Gusts up to 20 Mph in the morning. Chance of precipitation 70 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 3 Sep Okanogan Highlands

Partly cloudy. Lows in the lower to mid 40s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mary Ann Lake Temperature Statistics

September Temperature

Omak Airport (37.9 miles)

  • Lowest 1 September, 2026

    52 °F

  • Average September

    68.3 °F

  • Highest 1 September, 2026

    82 °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