Winthrop Weather Forecast

    • 58
    • 93

    Mostly Cloudy

    • 50
    • 80

    Mostly Sunny

    • 50
    • 83

    Mostly Sunny

    • 55
    • 88

    Mostly Sunny

    • 56
    • 90

    Mostly Sunny

    • 54
    • 86

    Mostly Sunny

    • 54
    • 85

    Mostly Sunny

Today 15 Jun Western Okanogan County

Mostly cloudy. Highs in the upper 80s to mid 90s.

Tonight 15 Jun Western Okanogan County

Mostly cloudy. Lows in the upper 50s to mid 60s. Northwest wind 5 to 15 Mph in the Evening, becoming light and Variable, Gusts up to 30 Mph decreasing 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

    62.3 °F

  • Highest 13 June, 2026

    84.9 °F

Climate (2021–Present)

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 °F
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