Diamond Lake Weather Forecast

    • 60
    • 86

    Increasing Clouds

    • 61
    • 86

    Partly Sunny

    • 59
    • 83

    Partly Sunny

    • 57
    • 80

    Slight Chance Thunderstorms

    • 57
    • 79

    Slight Chance Thunderstorms

    • 54
    • 76

    Slight Chance Thunderstorms

    • 50
    • 74

    Partly Sunny

Today 22 Aug South Central Oregon Cascades

Sunny. Highs in the mid 80s to mid 90s. East Winds 5 to 10 Mph shifting to the southeast late this afternoon.

Tonight 22 Aug South Central Oregon Cascades

Mostly clear then becoming partly cloudy late this evening then becoming mostly cloudy. Lows in the mid 50s to mid 60s. West Winds 5 to 10 Mph shifting to the east 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 19 August, 2025

    54 °F

  • Average August

    74.2 °F

  • Highest 11 August, 2025

    105.7 °F

Climate (2020–Present)

Roseburg Regional Airport (60.9 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    56.7 °F

  • Average High 2020–2025

    67.9 °F
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