Freshwater Lake Weather Forecast

    • 49
    • 72

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

    • 52
    • 76

    Partly Sunny

    • 51
    • 70

    Partly Sunny

Today 16 Sep Okanogan Valley

Sunny. Highs in the 70s.

Tonight 16 Sep Okanogan Valley

Mostly clear. Lows in the upper 40s to lower 50s.

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  • Temperature Real-Time

Freshwater Lake Temperature Statistics

September Temperature

Omak Airport (16.2 miles)

  • Lowest 14 September, 2026

    44.1 °F

  • Average September

    63.9 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Omak Airport (16.2 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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