Winthrop Weather Forecast

    • 28
    • 35

    Areas Fog

    • 25
    • 38

    Mostly Cloudy

    • 25
    • 41

    Mostly Cloudy

    • 27
    • 41

    Sunny

    • 25
    • 42

    Mostly Sunny

    • 25
    • 40

    Partly Sunny

    • 26
    • 39

    Partly Sunny

Today 14 Jan Western Okanogan County

Sunny. Highs in the upper 30s to lower 40s.

Tonight 14 Jan Western Okanogan County

Mostly clear. Areas of dense fog. Lows in the upper 20s to lower 30s.

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Winthrop Temperature Statistics

January Temperature

Omak Airport (30.4 miles)

  • Lowest 1 January, 2026

    19 °F

  • Average January

    33.4 °F

  • Highest 12 January, 2026

    44.1 °F

Climate (2021–Present)

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

    62.9 °F
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