Winthrop Weather Forecast

    • 51
    • 84

    Mostly Sunny

    • 55
    • 89

    Mostly Sunny

    • 58
    • 94

    Sunny

    • 59
    • 98

    Hot

    • 56
    • 94

    Mostly Sunny

    • 56
    • 91

    Mostly Sunny

    • 56
    • 89

    Mostly Sunny

Today 3 Aug Western Okanogan County

Sunny. Haze and patchy smoke. Highs in the upper 70s to mid 80s.

Tonight 3 Aug Western Okanogan County

Mostly clear. Haze and Areas of smoke. Lows in the 50s.

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Winthrop Temperature Statistics

August Temperature

Omak Airport (30.4 miles)

  • Lowest 1 August, 2026

    60.1 °F

  • Average August

    74.9 °F

  • Highest 1 August, 2026

    90 °F

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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