Sisters Weather Forecast

    • 33
    • 74

    Increasing Clouds

    • 35
    • 57

    Rain Showers Likely

    • 40
    • 64

    Chance Rain Showers

    • 42
    • 74

    Rain Showers Likely

    • 35
    • 64

    Partly Sunny

    • 34
    • 66

    Mostly Sunny

Today 25 May East Slopes of the Oregon Cascades

Mostly cloudy. A 20 percent chance of rain Showers in the afternoon. Highs in the lower 60s to lower 70s, except in the upper 60s to mid 70s Valleys. Breezy. Southwest wind 10 to 20 Mph with Gusts to around 45 Mph in the afternoon.

Tonight 25 May East Slopes of the Oregon Cascades

Mostly cloudy with a 50 percent chance of rain and high mountain snow Showers. Lows in the 30s. Breezy. West wind 10 to 20 Mph with Gusts to around 45 Mph in the Evening, becoming light.

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Sisters Temperature Statistics

May Temperature

Redmond Roberts Field (19.9 miles)

  • Lowest 14 May, 2026

    25.6 °F

  • Average May

    55.7 °F

  • Highest 12 May, 2026

    87.7 °F

Climate (2021–Present)

Redmond Roberts Field (19.9 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    65.8 °F
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