Fish Lake Weather Forecast

    • 36
    • 56

    Increasing Clouds

    • 39
    • 59

    Partly Sunny

    • 47
    • 60

    Partly Sunny

    • 42
    • 58

    Mostly Cloudy

    • 44
    • 58

    Partly Sunny

    • 42
    • 58

    Partly Sunny

Today 26 Sep Western Okanogan County

Sunny. Highs in the upper 50s to mid 60s.

Tonight 26 Sep Western Okanogan County

Partly cloudy. Lows in the 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fish Lake Temperature Statistics

September Temperature

Omak Airport (13 miles)

  • Lowest 14 September, 2026

    44.7 °F

  • Average September

    64.2 °F

  • Highest 21 September, 2026

    86.6 °F

Climate (2021–2026)

Omak Airport (13 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.9 °F
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