Mount Thielsen Weather Forecast

    • 50
    • 67

    Chance Rain Showers

    • 45
    • 60

    Mostly Sunny

    • 50
    • 63

    Mostly Sunny

    • 53
    • 67

    Mostly Sunny

    • 50
    • 65

    Partly Sunny

    • 46
    • 62

    Mostly Sunny

    • 45
    • 61

    Mostly Sunny

Today 21 Aug South Central Oregon Cascades

Mostly cloudy. A 10 percent chance of Showers this afternoon. Highs in the mid 70s to mid 80s. South Winds around 5 Mph shifting to the southwest 10 to 15 Mph this afternoon.

Tonight 21 Aug South Central Oregon Cascades

Mostly cloudy with a 30 percent chance of rain this Evening, then mostly clear after midnight. Lows in the mid 40s to lower 50s. Southwest Winds 10 to 15 Mph.

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Mount Thielsen Temperature Statistics

August Temperature

Roseburg Regional Airport (65.2 miles)

  • Lowest 2 August, 2026

    52.6 °F

  • Average August

    74.2 °F

  • Highest 5 August, 2026

    99.6 °F

Climate (2021–2026)

Roseburg Regional Airport (65.2 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    67.9 °F
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