Upper Tumalo Reservoir Weather Forecast

    • 36
    • 57

    Mostly Cloudy

    • 36
    • 61

    Increasing Clouds

    • 40
    • 69

    Partly Sunny

    • 31
    • 62

    Chance Rain Showers

    • 27
    • 52

    Mostly Sunny

    • 32
    • 56

    Chance Rain/Snow

    • 31
    • 54

    Chance Rain Showers

Today 19 Oct East Slopes of the Oregon Cascades

Partly sunny. Highs in the lower 40s to lower 50s, except in the lower to mid 50s Valleys.

Tonight 19 Oct East Slopes of the Oregon Cascades

Cloudy. A 20 percent chance of rain Showers in the evening. Lows in the lower 30s to lower 40s.

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Upper Tumalo Reservoir Temperature Statistics

October Temperature

Bend Airport AWOS (11.2 miles)

  • Lowest 11 October, 2026

    30.2 °F

  • Average October

    56.4 °F

  • Highest 4 October, 2026

    89.6 °F

Climate (2021–2026)

Bend Airport AWOS (11.2 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    64.7 °F
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