Sisters Weather Forecast

    • 46
    • 88

    Mostly Sunny

    • 45
    • 86

    Mostly Sunny

    • 45
    • 87

    Mostly Sunny

    • 43
    • 84

    Mostly Sunny

    • 46
    • 84

    Mostly Sunny

    • 49
    • 85

    Mostly Sunny

Today 9 Aug East Slopes of the Oregon Cascades

Sunny. Highs in the mid 70s to mid 80s, except in the mid to upper 80s Valleys.

Tonight 9 Aug East Slopes of the Oregon Cascades

Mostly clear. Lows in the lower 40s to lower 50s.

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Sisters Temperature Statistics

August Temperature

Redmond Roberts Field (19.9 miles)

  • Lowest 2 August, 2026

    38.6 °F

  • Average August

    67.7 °F

  • Highest 6 August, 2026

    99 °F

Climate (2021–2026)

Redmond Roberts Field (19.9 miles)

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  • Average Low 2021–2026

    35.6 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    65.6 °F
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