Winthrop Weather Forecast

    • 38
    • 64

    Mostly Sunny

    • 39
    • 71

    Mostly Sunny

    • 43
    • 73

    Mostly Sunny

    • 45
    • 75

    Mostly Sunny

    • 44
    • 76

    Mostly Sunny

    • 40
    • 66

    Partly Sunny

    • 40
    • 67

    Partly Sunny

Today 23 Sep East Slopes Northern Cascades

Partly cloudy. A 20 percent chance of rain Showers in the evening. Snow level 6500 feet. Lows in the upper 30s to lower 40s. Northwest wind 5 to 15 Mph.

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Winthrop Temperature Statistics

September Temperature

Omak, Omak Airport (30.4 miles)

  • Lowest 17 September, 2018

    36 °F
  • Average September

    59.9 °F
  • Highest 1 September, 2018

    79 °F

Climate (2010–Present)

Omak, Omak Airport (30.4 miles)

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  • Average Low 2010–Present

    40.9 °F
  • Average 2010–Present

    51.8 °F
  • Average High 2010–Present

    62.1 °F
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