Winthrop Weather Forecast

    • 57
    • 87

    Mostly Sunny

    • 57
    • 86

    Partly Sunny

    • 56
    • 88

    Partly Sunny

    • 56
    • 84

    Chance Rain Showers

    • 50
    • 72

    Chance Rain Showers

    • 47
    • 70

    Chance Rain Showers

Today 22 Jun Western Okanogan County

Sunny. Highs in the 80s. Gusts up to 20 Mph in the morning.

Tonight 22 Jun Western Okanogan County

Partly cloudy. Lows in the mid 50s to lower 60s. Gusts up to 20 Mph overnight.

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Winthrop Temperature Statistics

June Temperature

Omak Airport (30.4 miles)

  • Lowest 7 June, 2026

    35.7 °F

  • Average June

    65.7 °F

  • Highest 15 June, 2026

    96.7 °F

Climate (2021–2026)

Omak Airport (30.4 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    63.1 °F
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