Winthrop Weather Forecast

    • 45
    • 75

    Rain Showers Likely

    • 45
    • 75

    Partly Sunny

    • 40
    • 69

    Mostly Sunny

    • 38
    • 64

    Chance Rain Showers

    • 43
    • 71

    Partly Sunny

    • 46
    • 71

    Slight Chance Rain Showers

    • 46
    • 73

    Chance Rain Showers

Today 3 Jun Western Okanogan County

Rain Showers likely and a chance of Thunderstorms. Highs in the 70s. Chance of precipitation 70 percent. Rainfall Amounts less than a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 3 Jun Western Okanogan County

Mostly cloudy with a chance of rain Showers in the Evening, then mostly clear overnight. Lows in the mid 40s to lower 50s. Gusts up to 25 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winthrop Temperature Statistics

June Temperature

Omak Airport (30.4 miles)

  • Lowest 1 June, 2026

    48 °F

  • Average June

    61.8 °F

  • Highest 1 June, 2026

    72 °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 °F
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