Mount Thielsen Weather Forecast
- 33
- 40
Breezy
- 33
- 42
Mostly Sunny
- 33
- 45
Mostly Sunny
- 32
- 45
Partly Sunny
- 33
- 38
Chance Snow
- 32
- 38
Rain/Snow
- 29
- 34
Snow Likely
Today 10 Dec South Central Oregon Cascades
Partly cloudy. Highs in the mid 40s to mid 50s. Southwest Winds 10 to 20 Mph.
Tonight 10 Dec South Central Oregon Cascades
Partly cloudy. Patchy dense fog after midnight. Lows in the mid 30s. Southwest Winds 10 to 15 Mph.
Mount Thielsen Temperature Statistics
December Temperature
Roseburg Regional Airport (65.2 miles)
Lowest 2 December, 2025
37 °FAverage December
48.1 °FHighest 8 December, 2025
63 °F
Climate (2020–Present)
Roseburg Regional Airport (65.2 miles)
Average Low 2020–2025
47 °FAverage 2020–2025
56.9 °FAverage High 2020–2025
67.9 °F