Winthrop Weather Forecast

    • 52
    • 84

    Decreasing Clouds

    • 56
    • 87

    Mostly Sunny

    • 59
    • 93

    Mostly Sunny

    • 60
    • 95

    Mostly Sunny

    • 54
    • 86

    Partly Sunny

    • 56
    • 88

    Sunny

    • 60
    • 94

    Mostly Sunny

Today 5 Jul Western Okanogan County

Partly cloudy. Highs in the upper 70s to mid 80s. South wind 5 to 15 Mph in the afternoon.

Tonight 5 Jul Western Okanogan County

Partly cloudy. Lows in the 50s. Northwest wind 5 to 15 Mph in the Evening, becoming light and variable.

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Winthrop Temperature Statistics

July Temperature

Omak Airport (30.4 miles)

  • Lowest 3 July, 2025

    57 °F

  • Average July

    78.3 °F

  • Highest 1 July, 2025

    99 °F

Climate (2020–Present)

Omak Airport (30.4 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    62.6 °F
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