Diamond Lake Weather Forecast

    • 41
    • 68

    Mostly Sunny

    • 36
    • 60

    Mostly Sunny

    • 45
    • 69

    Mostly Sunny

    • 44
    • 70

    Partly Sunny

    • 41
    • 63

    Chance Rain

    • 40
    • 55

    Chance Rain

    • 37
    • 52

    Chance Rain

Today 28 Aug South Central Oregon Cascades

Sunny. Highs in the mid 60s to mid 70s. South Winds 5 to 10 Mph shifting to the west 10 to 15 Mph this afternoon.

Tonight 28 Aug South Central Oregon Cascades

Mostly clear. Lows in the mid 30s to mid 40s. West Winds 10 to 15 Mph shifting to the southwest around 5 Mph well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Lake Temperature Statistics

August Temperature

Roseburg Regional Airport (60.9 miles)

  • Lowest 2 August, 2026

    52.6 °F

  • Average August

    74.3 °F

  • Highest 5 August, 2026

    99.6 °F

Climate (2021–2026)

Roseburg Regional Airport (60.9 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    68 °F
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