Diamond Lake Weather Forecast

    • 26
    • 38

    Increasing Clouds

    • 28
    • 42

    Mostly Cloudy

    • 30
    • 46

    Partly Sunny

    • 33
    • 48

    Partly Sunny

    • 34
    • 52

    Mostly Sunny

    • 33
    • 54

    Mostly Sunny

    • 29
    • 52

    Sunny

Today 9 Jan South Central Oregon Cascades

Sunny early this afternoon then becoming partly cloudy. Highs in the mid 30s to lower 40s. Southeast Winds 5 to 10 Mph.

Tonight 9 Jan South Central Oregon Cascades

Partly cloudy until well after midnight then becoming mostly cloudy. Lows in the lower 20s to lower 30s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Lake Temperature Statistics

January Temperature

Roseburg Regional Airport (60.9 miles)

  • Lowest 7 January, 2026

    36 °F

  • Average January

    46 °F

  • Highest 3 January, 2026

    55.9 °F

Climate (2021–Present)

Roseburg Regional Airport (60.9 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    67.9 °F
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