Winthrop Weather Forecast

    • 52
    • 87

    Mostly Sunny

    • 54
    • 88

    Partly Sunny

    • 51
    • 84

    Sunny

    • 52
    • 85

    Mostly Sunny

    • 56
    • 87

    Mostly Sunny

    • 58
    • 90

    Partly Sunny

    • 55
    • 90

    Mostly Sunny

Today 18 Jun Western Okanogan County

Sunny. Highs in the upper 70s to upper 80s.

Tonight 18 Jun Western Okanogan County

Mostly clear. Lows in the 50s.

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Winthrop Temperature Statistics

June Temperature

Omak Airport (30.4 miles)

  • Lowest 7 June, 2026

    35.7 °F

  • Average June

    64.7 °F

  • Highest 15 June, 2026

    95 °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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