Winthrop Weather Forecast

    • 29
    • 48

    Mostly Cloudy

    • 31
    • 49

    Mostly Cloudy

    • 29
    • 55

    Mostly Sunny

    • 30
    • 50

    Mostly Cloudy

    • 30
    • 53

    Mostly Cloudy

    • 32
    • 55

    Mostly Cloudy

    • 32
    • 54

    Partly Sunny

Today 30 Oct Western Okanogan County

Mostly cloudy with a chance of rain and mountain snow Showers. Snow level 4500 feet. Highs in the mid 40s to lower 50s. Chance of precipitation 40 percent.

Tonight 30 Oct Western Okanogan County

Mostly cloudy. A chance of rain and mountain snow Showers in the evening. Snow level 5000 feet in the evening. Lows in the upper 20s to lower 30s. Chance of precipitation 50 percent.

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Winthrop Temperature Statistics

October Temperature

Omak Airport (30.4 miles)

  • Lowest 24 October, 2026

    29.6 °F

  • Average October

    53.2 °F

  • Highest 4 October, 2026

    79.6 °F

Climate (2021–2026)

Omak Airport (30.4 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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