Upper Tumalo Reservoir Weather Forecast

    • 45
    • 71

    Mostly Cloudy

    • 38
    • 59

    Rain Likely

    • 32
    • 50

    Chance Rain

    • 35
    • 57

    Mostly Sunny

    • 37
    • 61

    Mostly Sunny

    • 36
    • 63

    Partly Sunny

Today 20 Apr East Slopes of the Oregon Cascades

Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs in the upper 50s to upper 60s, except in the upper 60s to lower 70s Valleys.

Tonight 20 Apr East Slopes of the Oregon Cascades

Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s to mid 40s. Gusts up to 20 Mph in the evening. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Tumalo Reservoir Temperature Statistics

April Temperature

Bend Airport AWOS (11.2 miles)

  • Lowest 17 April, 2026

    19.4 °F

  • Average April

    49.1 °F

  • Highest 5 April, 2026

    77 °F

Climate (2021–Present)

Bend Airport AWOS (11.2 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    64.7 °F
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