Upper Tumalo Reservoir Weather Forecast

    • 40
    • 67

    Mostly Cloudy

    • 45
    • 71

    Mostly Cloudy

    • 44
    • 72

    Slight Chance Rain

    • 39
    • 64

    Chance Rain

    • 34
    • 52

    Chance Rain

    • 35
    • 53

    Partly Sunny

Today 18 Apr East Slopes of the Oregon Cascades

Mostly cloudy in the Morning, becoming partly cloudy. Highs in the mid 50s to lower 60s, except in the mid to upper 60s Valleys.

Tonight 18 Apr East Slopes of the Oregon Cascades

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

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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

    50.5 °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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