Three Rivers Weather Forecast

    • 23
    • 39

    Rain/Snow

    • 32
    • 49

    Rain/Snow

    • 20
    • 42

    Rain/Snow

    • 22
    • 38

    Chance Snow

    • 27
    • 44

    Rain/Snow

    • 22
    • 41

    Snow Likely

Today 17 Dec East Slopes of the Oregon Cascades

Rain and mountain snow in the Morning, then mostly sunny with a chance of mountain snow in the afternoon. Patchy blowing mountain snow through the day. Visibility one quarter mile or less at Times. Mountain snow accumulation of 1 to 3 Inches Valleys and 3 to 6 Inches in the Mountains. Highs in the lower 30s to lower 40s. Windy. West wind 15 to 25 Mph. Gusts up to 70 Mph decreasing to 45 Mph in the afternoon. Valleys, Gusts up to 55 Mph decreasing to 40 Mph in the afternoon. Chance of precipitation near 100 percent.

Tonight 17 Dec East Slopes of the Oregon Cascades

Mostly cloudy with a 20 percent chance of snow. Snow accumulation up to 1 inch in the Mountains. Lows in the 20s.

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Three Rivers Temperature Statistics

December Temperature

Bend Airport AWOS (23 miles)

  • Lowest 1 December, 2025

    19.4 °F

  • Average December

    46.4 °F

  • Highest 12 December, 2025

    66.2 °F

Climate (2020–Present)

Bend Airport AWOS (23 miles)

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  • Average Low 2020–2025

    38.4 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    64.5 °F
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