Winthrop Weather Forecast

    • 27
    • 33

    Chance Snow

    • 26
    • 37

    Snow

    • 29
    • 37

    Rain Likely

    • 31
    • 38

    Mostly Cloudy

    • 29
    • 39

    Chance Rain

    • 27
    • 40

    Slight Chance Rain

    • 29
    • 41

    Mostly Cloudy

Today 28 Jan Western Okanogan County

Mostly cloudy with a 50 percent chance of snow. Highs in the lower to mid 30s.

Tonight 28 Jan Western Okanogan County

Mostly cloudy with a 50 percent chance of snow. Lows in the upper 20s to lower 30s.

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Winthrop Temperature Statistics

January Temperature

Omak Airport (30.4 miles)

  • Lowest 25 January, 2026

    17.1 °F

  • Average January

    32.8 °F

  • Highest 15 January, 2026

    49.6 °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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