Winthrop Weather Forecast

    • 47
    • 78

    Mostly Cloudy

    • 46
    • 79

    Mostly Sunny

    • 45
    • 83

    Partly Sunny

    • 34
    • 69

    Slight Chance Rain

    • 31
    • 59

    Chance Rain

    • 31
    • 60

    Mostly Sunny

Today 6 Oct Western Okanogan County

Partly sunny. Highs in the upper 60s to upper 70s.

Tonight 6 Oct Western Okanogan County

Mostly cloudy. Lows in the mid to upper 40s.

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Winthrop Temperature Statistics

October Temperature

Omak Airport (30.4 miles)

  • Lowest 2 October, 2026

    45.6 °F

  • Average October

    60.6 °F

  • Highest 4 October, 2026

    78.1 °F

Climate (2021–2026)

Omak Airport (30.4 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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