Green Lake Weather Forecast

    • 39
    • 59

    Increasing Clouds

    • 41
    • 59

    Mostly Cloudy

    • 41
    • 63

    Mostly Sunny

    • 42
    • 65

    Mostly Sunny

    • 37
    • 62

    Partly Sunny

    • 34
    • 56

    Partly Sunny

    • 35
    • 50

    Chance Rain/Snow

Today 18 Oct Okanogan Valley

Partly sunny with a chance of rain or snow Showers. Highs in the upper 40s to mid 50s. Chance of precipitation 40 percent.

Tonight 18 Oct Okanogan Valley

Mostly cloudy. Lows in the upper 30s to lower 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Green Lake Temperature Statistics

October Temperature

Omak Airport (5 miles)

  • Lowest 12 October, 2026

    33.7 °F

  • Average October

    56.8 °F

  • Highest 4 October, 2026

    79.6 °F

Climate (2021–2026)

Omak Airport (5 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    63 °F
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