Upper Cathedral Lake Weather Forecast

    • 43
    • 55

    Partly Sunny

    • 44
    • 58

    Chance Rain Showers

    • 41
    • 59

    Partly Sunny

    • 44
    • 60

    Partly Sunny

    • 48
    • 61

    Partly Sunny

    • 46
    • 61

    Chance Rain Showers

    • 40
    • 54

    Rain Showers Likely

Today 16 Aug Western Okanogan County

Mostly cloudy with a chance of Showers and Thunderstorms. Haze and Areas of smoke. Highs in the 80s. Chance of precipitation 20 percent.

Tonight 16 Aug Western Okanogan County

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Haze in the evening. Patchy smoke. Lows in the mid 50s to mid 60s. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Cathedral Lake Temperature Statistics

August Temperature

Omak Airport (47.2 miles)

  • Lowest 3 August, 2026

    50.6 °F

  • Average August

    73.2 °F

  • Highest 6 August, 2026

    95.6 °F

Climate (2021–2026)

Omak Airport (47.2 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.8 °F
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