Bumping Lake Weather Forecast

    • 36
    • 54

    Partly Sunny

    • 37
    • 58

    Partly Sunny

    • 42
    • 58

    Partly Sunny

    • 38
    • 53

    Chance Rain Showers

    • 39
    • 54

    Partly Sunny

Today 26 Sep Upper Slopes of the Eastern Washington Cascades Crest

Mostly cloudy in the morning then clearing. Highs in the upper 40s to upper 50s. Gusts up to 25 Mph in the morning.

Tonight 26 Sep Upper Slopes of the Eastern Washington Cascades Crest

Mostly cloudy. Lows in the 30s.

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Bumping Lake Temperature Statistics

September Temperature

Stampede Pass (29.2 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    51.7 °F

  • Highest 20 September, 2026

    73 °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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