Winthrop Weather Forecast

    • 39
    • 65

    Rain Showers

    • 36
    • 65

    Partly Sunny

    • 32
    • 62

    Partly Sunny

    • 33
    • 59

    Partly Sunny

    • 36
    • 67

    Partly Sunny

    • 39
    • 70

    Partly Sunny

Today 13 May Western Okanogan County

Rain and high mountain snow Showers. Little or no high mountain snow accumulation. Snow level 6500 feet. Highs in the 60s. Breezy. Northwest wind 5 to 15 Mph with Gusts up to 35 Mph. Chance of precipitation near 100 percent.

Tonight 13 May Western Okanogan County

Partly cloudy. A chance of rain and mountain snow Showers in the evening. Snow level 5500 feet. Lows in the upper 30s to mid 40s. Windy. West wind 15 to 25 Mph in the Evening, becoming light and Variable, Gusts up to 40 Mph decreasing to 25 Mph overnight. In the Mountains, west wind 20 to 30 Mph, Gusts up to 60 Mph. Chance of precipitation 50 percent.

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Winthrop Temperature Statistics

May Temperature

Omak Airport (30.4 miles)

  • Lowest 1 May, 2026

    39.7 °F

  • Average May

    65.1 °F

  • Highest 3 May, 2026

    86.6 °F

Climate (2021–Present)

Omak Airport (30.4 miles)

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  • Average Low 2021–2026

    41 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    63.1 °F
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