Upper Tumalo Reservoir Weather Forecast

    • 54
    • 92

    Patchy Smoke

    • 50
    • 87

    Areas Smoke

    • 46
    • 83

    Mostly Sunny

    • 46
    • 83

    Mostly Sunny

    • 45
    • 77

    Mostly Sunny

    • 48
    • 81

    Mostly Sunny

    • 46
    • 80

    Partly Sunny

Today 25 Aug East Slopes of the Oregon Cascades

Sunny. Patchy smoke. Highs in the upper 70s to upper 80s, except in the upper 80s to lower 90s Valleys.

Tonight 25 Aug East Slopes of the Oregon Cascades

Mostly clear. Smoke in the evening. Patchy smoke overnight. Lows in the mid 40s to mid 50s. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Tumalo Reservoir Temperature Statistics

August Temperature

Bend Airport AWOS (11.2 miles)

  • Lowest 3 August, 2026

    42.8 °F

  • Average August

    72 °F

  • Highest 6 August, 2026

    100.4 °F

Climate (2021–2026)

Bend Airport AWOS (11.2 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    64.7 °F
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