Mount Thielsen Weather Forecast

    • 46
    • 59

    Mostly Sunny

    • 47
    • 62

    Mostly Sunny

    • 44
    • 61

    Mostly Sunny

    • 41
    • 57

    Mostly Sunny

    • 45
    • 58

    Mostly Sunny

    • 43
    • 60

    Partly Sunny

Today 19 Sep South Central Oregon Cascades

Sunny. Highs in the mid 60s to mid 70s. Southeast Winds around 5 Mph shifting to the southwest late in the afternoon.

Tonight 19 Sep South Central Oregon Cascades

Partly cloudy. Lows in the lower 40s to lower 50s. Northwest Winds around 5 Mph shifting to the east after midnight.

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Mount Thielsen Temperature Statistics

September Temperature

Roseburg Regional Airport (65.2 miles)

  • Lowest 15 September, 2026

    47.6 °F

  • Average September

    64 °F

  • Highest 9 September, 2026

    93.7 °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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