Winthrop Weather Forecast

    • 53
    • 90

    Decreasing Clouds

    • 52
    • 88

    Patchy Smoke

    • 53
    • 89

    Mostly Sunny

    • 53
    • 85

    Slight Chance Rain Showers

    • 53
    • 85

    Chance Rain Showers

    • 56
    • 87

    Partly Sunny

    • 56
    • 88

    Partly Sunny

Today 9 Aug Western Okanogan County

Mostly cloudy. Haze and smoke. Highs in the lower 80s to lower 90s.

Tonight 9 Aug Western Okanogan County

Mostly cloudy. Smoke in the evening. Haze. Areas of smoke overnight. Lows in the lower 50s to lower 60s.

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Winthrop Temperature Statistics

August Temperature

Omak Airport (30.4 miles)

  • Lowest 3 August, 2026

    50.6 °F

  • Average August

    70.9 °F

  • Highest 6 August, 2026

    95.6 °F

Climate (2021–2026)

Omak Airport (30.4 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.9 °F
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