Upper Tumalo Reservoir Weather Forecast

    • 46
    • 83

    Increasing Clouds

    • 45
    • 73

    Mostly Sunny

    • 40
    • 62

    Rain Showers Likely

    • 39
    • 59

    Mostly Sunny

    • 42
    • 65

    Mostly Sunny

    • 44
    • 69

    Mostly Sunny

Today 10 Sep East Slopes of the Oregon Cascades

Sunny. Highs in the upper 60s to upper 70s, except in the upper 70s to lower 80s Valleys. Gusts up to 25 Mph in the afternoon.

Tonight 10 Sep East Slopes of the Oregon Cascades

Partly cloudy. Lows in the upper 30s to mid 40s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Tumalo Reservoir Temperature Statistics

September Temperature

Bend Airport AWOS (11.2 miles)

  • Lowest 5 September, 2026

    39.2 °F

  • Average September

    54.2 °F

  • Highest 1 September, 2026

    77 °F

Climate (2021–2026)

Bend Airport AWOS (11.2 miles)

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

  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    64.6 °F
Get WillyWeather+ to remove ads