Sisters Weather Forecast

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    • 41

    Snow Likely

    • 24
    • 42

    Wintry Mix

    • 24
    • 44

    Chance Rain/Snow

    • 26
    • 41

    Rain/Snow Likely

    • 24
    • 40

    Chance Rain/Snow

    • 23
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    Chance Rain/Snow

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    Slight Chance Rain/Snow

Today 20 Dec East Slopes of the Oregon Cascades

Sunny. A 50 percent chance of snow in the morning. Highs in the mid 30s to lower 40s. Gusts up to 30 Mph decreasing to 20 Mph in the afternoon.

Tonight 20 Dec East Slopes of the Oregon Cascades

Mostly cloudy. A chance of mountain snow in the Evening, then rain and mountain snow likely overnight. Mountain snow accumulation up to 2 Inches. Snow level 4000 feet. Lows in the mid to upper 20s. Chance of precipitation 70 percent.

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Sisters Temperature Statistics

December Temperature

Redmond Roberts Field (19.9 miles)

  • Lowest 1 December, 2025

    15.1 °F

  • Average December

    43.8 °F

  • Highest 15 December, 2025

    64 °F

Climate (2020–Present)

Redmond Roberts Field (19.9 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    65.6 °F
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