Sunriver Airport Weather Forecast

    • 40
    • 65

    Increasing Clouds

    • 41
    • 64

    Chance Rain Showers

    • 39
    • 72

    Mostly Sunny

    • 43
    • 77

    Mostly Sunny

    • 43
    • 80

    Mostly Sunny

    • 42
    • 79

    Mostly Sunny

    • 40
    • 75

    Mostly Sunny

Today 16 Sep East Slopes of the Oregon Cascades

Partly cloudy. Highs in the 60s, except in the lower to mid 70s Valleys.

Tonight 16 Sep East Slopes of the Oregon Cascades

Mostly clear. A 20 percent chance of rain Showers in the evening. Lows in the upper 30s to upper 40s.

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Sunriver Airport Temperature Statistics

September Temperature

Bend Airport AWOS (19.3 miles)

  • Lowest 5 September, 2026

    39.2 °F
  • Average September

    57.1 °F
  • Highest 9 September, 2026

    89.6 °F

Climate (2021–2026)

Bend Airport AWOS (19.3 miles)

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  • Average Low 2021–2026

    38.5 °F
  • Average 2021–2026

    51.3 °F
  • Average High 2021–2026

    64.6 °F
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