Diamond Lake Weather Forecast
- 36
- 49
Mostly Sunny
- 38
- 55
Mostly Sunny
- 35
- 57
Sunny
- 31
- 53
Sunny
- 31
- 51
Sunny
- 33
- 54
Sunny
- 34
- 54
Mostly Sunny
Today 12 Jan South Central Oregon Cascades
Partly cloudy early this afternoon then clearing. Highs in the mid 40s to mid 50s. Southeast Winds around 5 Mph.
Tonight 12 Jan South Central Oregon Cascades
Mostly clear. Lows in the lower 30s to lower 40s. Southeast Winds 5 to 10 Mph.
Diamond Lake Temperature Statistics
January Temperature
Roseburg Regional Airport (60.9 miles)
Lowest 9 January, 2026
30.9 °FAverage January
44.4 °FHighest 3 January, 2026
55.9 °F
Climate (2021–Present)
Roseburg Regional Airport (60.9 miles)
Average Low 2021–2026
47 °FAverage 2021–2026
56.9 °FAverage High 2021–2026
67.9 °F