Bumping Lake Weather Forecast

    • 42
    • 57

    Partly Sunny

    • 42
    • 54

    Slight Chance Rain Showers

    • 46
    • 66

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 48
    • 69

    Mostly Sunny

    • 46
    • 68

    Partly Sunny

Today 14 Sep Upper Slopes of the Eastern Washington Cascades Crest

Partly cloudy. Highs in the lower 50s to lower 60s. Gusts up to 30 Mph in the morning.

Tonight 14 Sep Upper Slopes of the Eastern Washington Cascades Crest

Partly cloudy. Lows in the upper 30s to lower 40s.

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Bumping Lake Temperature Statistics

September Temperature

Stampede Pass (29.2 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    51.2 °F

  • Highest 9 September, 2026

    71.1 °F

Climate (2021–2026)

Stampede Pass (29.2 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.2 °F
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