Upper Tumalo Reservoir Weather Forecast

    • 40
    • 63

    Rain Showers

    • 39
    • 58

    Rain Showers

    • 36
    • 51

    Rain Likely

    • 31
    • 51

    Slight Chance Rain/Snow

    • 35
    • 54

    Chance Rain/Snow

    • 26
    • 48

    Slight Chance Rain/Snow

    • 27
    • 49

    Mostly Sunny

Today 10 Apr East Slopes of the Oregon Cascades

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the lower 50s to lower 60s, except in the lower 60s Valleys. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 10 Apr East Slopes of the Oregon Cascades

Rain Showers and a chance of Thunderstorms in the Evening, then rain likely overnight. Lows in the mid 30s to lower 40s. Chance of precipitation near 100 percent. Rainfall Amounts up to a half of an inch Possible, except higher Amounts possible in Thunderstorms.

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  • Temperature Real-Time

Upper Tumalo Reservoir Temperature Statistics

April Temperature

Bend Airport AWOS (11.2 miles)

  • Lowest 3 April, 2026

    23 °F

  • Average April

    52.4 °F

  • Highest 5 April, 2026

    77 °F

Climate (2021–Present)

Bend Airport AWOS (11.2 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    64.7 °F
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