Winthrop Weather Forecast

    • 48
    • 70

    Rain Showers

    • 43
    • 66

    Chance Thunderstorms

    • 45
    • 67

    Chance Rain Showers

    • 44
    • 68

    Chance Rain Showers

    • 48
    • 74

    Partly Sunny

    • 50
    • 76

    Slight Chance Rain Showers

    • 50
    • 77

    Partly Sunny

Today 2 Sep Western Okanogan County

Rain Showers likely and a chance of Thunderstorms. Highs in the mid 60s to lower 70s. Southeast wind 5 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 70 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 2 Sep Western Okanogan County

Rain Showers. A chance of Thunderstorms in the Evening, then high mountain snow Showers overnight. No high mountain snow accumulation. Snow level 7000 feet overnight. Lows in the upper 40s to lower 50s. South wind 5 to 15 Mph in the Evening, becoming light and variable. Gusts up to 35 Mph. Chance of precipitation near 100 percent.

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Winthrop Temperature Statistics

September Temperature

Omak Airport (30.4 miles)

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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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