Winthrop Weather Forecast

    • 31
    • 64

    Increasing Clouds

    • 31
    • 70

    Partly Sunny

    • 23
    • 62

    Mostly Sunny

    • 32
    • 55

    Rain Showers Likely

    • 30
    • 55

    Chance Rain Showers

    • 30
    • 57

    Partly Sunny

Today 21 Oct Western Okanogan County

Sunny. Highs in the lower to mid 60s.

Tonight 21 Oct Western Okanogan County

Partly cloudy. Lows in the lower 30s to lower 40s.

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Winthrop Temperature Statistics

October Temperature

Omak Airport (30.4 miles)

  • Lowest 12 October, 2026

    33.7 °F

  • Average October

    56.1 °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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