Three Rivers Weather Forecast

    • 37
    • 87

    Rain Showers Likely

    • 31
    • 57

    Rain Showers Likely

    • 34
    • 69

    Mostly Sunny

    • 30
    • 63

    Partly Sunny

    • 27
    • 53

    Partly Sunny

    • 30
    • 60

    Mostly Sunny

    • 34
    • 68

    Partly Sunny

Today 12 May East Slopes of the Oregon Cascades

Partly cloudy. Highs in the lower 70s to lower 80s, except in the 80s Valleys.

Tonight 12 May East Slopes of the Oregon Cascades

Mostly cloudy. A chance of Showers and Thunderstorms. Lows in the mid 30s to lower 40s. West wind 5 to 15 Mph overnight. Gusts up to 35 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Three Rivers Temperature Statistics

May Temperature

Bend Airport AWOS (23 miles)

  • Lowest 9 May, 2026

    37.4 °F

  • Average May

    64 °F

  • Highest 4 May, 2026

    82.4 °F

Climate (2021–Present)

Bend Airport AWOS (23 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    64.7 °F
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