Sisters Weather Forecast

    • 46
    • 78

    Mostly Sunny

    • 47
    • 82

    Mostly Sunny

    • 49
    • 81

    Partly Sunny

    • 46
    • 83

    Mostly Sunny

    • 47
    • 77

    Partly Sunny

    • 45
    • 76

    Mostly Sunny

    • 49
    • 81

    Mostly Sunny

Today 16 Sep East Slopes of the Oregon Cascades

Sunny. Highs in the lower 70s to lower 80s.

Tonight 16 Sep East Slopes of the Oregon Cascades

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

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  • Temperature Forecast NOAA

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Sisters Temperature Statistics

September Temperature

Redmond Roberts Field (19.9 miles)

  • Lowest 14 September, 2025

    41 °F

  • Average September

    67.2 °F

  • Highest 2 September, 2025

    97 °F

Climate (2020–Present)

Redmond Roberts Field (19.9 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    65.6 °F
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