Sisters Weather Forecast

    • 42
    • 77

    Mostly Sunny

    • 46
    • 83

    Partly Sunny

    • 42
    • 75

    Chance Rain Showers

    • 41
    • 64

    Rain Showers

    • 38
    • 62

    Rain Showers Likely

    • 38
    • 65

    Chance Rain Showers

    • 39
    • 68

    Chance Rain Showers

Today 30 Aug East Slopes of the Oregon Cascades

Sunny. Highs in the mid 60s to lower 70s, except in the mid to upper 70s Valleys.

Tonight 30 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

    68.4 °F

  • Highest 6 August, 2026

    99.6 °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

    65.7 °F
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