Diamond Lake Weather Forecast

    • 45
    • 71

    Sunny

    • 47
    • 74

    Sunny

    • 50
    • 76

    Mostly Sunny

    • 49
    • 76

    Partly Sunny

    • 46
    • 74

    Mostly Sunny

    • 45
    • 71

    Mostly Sunny

Today 3 Jul South Central Oregon Cascades

Partly cloudy early this morning then clearing. Highs in the lower to mid 70s. North Winds around 5 Mph shifting to the west in the late morning and afternoon.

Tonight 3 Jul South Central Oregon Cascades

Clear. Lows in the mid 40s to lower 50s. Northwest Winds 10 to 15 Mph decreasing to around 5 Mph after Midnight, then shifting to the southwest well after midnight.

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Diamond Lake Temperature Statistics

July Temperature

Roseburg Regional Airport (60.9 miles)

  • Lowest 1 July, 2026

    52 °F

  • Average July

    63 °F

  • Highest 1 July, 2026

    73.9 °F

Climate (2021–2026)

Roseburg Regional Airport (60.9 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    68 °F
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