Tumalo Lake Weather Forecast

    • 47
    • 64

    Mostly Sunny

    • 53
    • 73

    Sunny

    • 50
    • 73

    Mostly Sunny

    • 49
    • 68

    Partly Sunny

    • 52
    • 71

    Partly Sunny

    • 51
    • 70

    Partly Sunny

Today 15 Sep East Slopes of the Oregon Cascades

Sunny. Highs in the mid 60s to lower 70s.

Tonight 15 Sep East Slopes of the Oregon Cascades

Mostly clear. Lows in the upper 30s to upper 40s. Gusts up to 25 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tumalo Lake Temperature Statistics

September Temperature

Bend Airport AWOS (17.4 miles)

  • Lowest 10 September, 2025

    48.2 °F

  • Average September

    68.7 °F

  • Highest 2 September, 2025

    98.6 °F

Climate (2020–Present)

Bend Airport AWOS (17.4 miles)

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  • Average Low 2020–2025

    38.3 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    64.4 °F
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