Bumping Lake Weather Forecast

    • 36
    • 54

    Increasing Clouds

    • 40
    • 55

    Mostly Cloudy

    • 41
    • 61

    Mostly Sunny

    • 43
    • 65

    Partly Sunny

    • 43
    • 66

    Partly Sunny

    • 41
    • 64

    Partly Sunny

    • 39
    • 58

    Partly Sunny

Today 18 May Upper Slopes of the Eastern Washington Cascades Crest

Partly cloudy. Highs in the upper 40s to upper 50s. Northwest wind 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 18 May Upper Slopes of the Eastern Washington Cascades Crest

Mostly clear. Lows in the 30s. Northwest wind 5 to 15 Mph with Gusts to around 30 Mph in the Evening, becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bumping Lake Temperature Statistics

May Temperature

Stampede Pass (29.2 miles)

  • Lowest 16 May, 2026

    30 °F

  • Average May

    48.2 °F

  • Highest 3 May, 2026

    71.1 °F

Climate (2021–Present)

Stampede Pass (29.2 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    48.4 °F
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