Bumping Lake Weather Forecast

    • 42
    • 54

    Rain Showers Likely

    • 43
    • 58

    Partly Sunny

    • 45
    • 62

    Partly Sunny

    • 45
    • 65

    Partly Sunny

    • 47
    • 67

    Partly Sunny

    • 49
    • 72

    Partly Sunny

    • 46
    • 66

    Partly Sunny

Today 29 Sep Upper Slopes of the Eastern Washington Cascades Crest

Rain Showers. Highs in the upper 40s to upper 50s. West wind 5 to 15 Mph with Gusts to around 30 Mph. Chance of precipitation near 100 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 29 Sep Upper Slopes of the Eastern Washington Cascades Crest

Mostly cloudy. Rain Showers likely in the Evening, then a chance of rain Showers overnight. Lows in the upper 30s to lower 40s. West wind 5 to 15 Mph with Gusts to around 30 Mph. Chance of precipitation 70 percent. Rainfall Amounts less than a quarter of an inch.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

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)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.2 °F
Get WillyWeather+ to remove ads