Lake Easton Weather Forecast

    • 52
    • 77

    Increasing Clouds

    • 44
    • 61

    Rain Showers

    • 49
    • 71

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 45
    • 71

    Chance Rain Showers

    • 44
    • 66

    Partly Sunny

    • 48
    • 71

    Mostly Sunny

Today 13 Sep Upper Slopes of the Eastern Washington Cascades Crest

Partly cloudy. Highs in the upper 60s to upper 70s.

Tonight 13 Sep Upper Slopes of the Eastern Washington Cascades Crest

Mostly cloudy. A 20 percent chance of rain Showers overnight. Lows in the mid 40s to lower 50s.

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Lake Easton Temperature Statistics

September Temperature

Stampede Pass (6.8 miles)

  • Lowest 8 September, 2025

    50 °F

  • Average September

    61.6 °F

  • Highest 2 September, 2025

    87.1 °F

Climate (2020–Present)

Stampede Pass (6.8 miles)

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  • Average Low 2020–2025

    36.3 °F

  • Average 2020–2025

    41.6 °F

  • Average High 2020–2025

    48.3 °F
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