Twentymile Lake Weather Forecast
- 42
- 61
Mostly Sunny
- 44
- 67
Mostly Sunny
- 36
- 63
Rain Showers
- 34
- 40
Rain Likely
- 36
- 52
Partly Sunny
- 43
- 64
Mostly Sunny
- 46
- 68
Partly Sunny
Today 1 May Southern Clearwater Mountains
Mostly sunny. Highs 59 to 74.
Tonight 1 May Southern Clearwater Mountains
Mostly clear. Lows in the mid 30s to upper 40s.
Twentymile Lake Temperature Statistics
May Temperature
Grangeville - Idaho County Airport (24.9 miles)
Lowest
–Average May
–Highest
–
Climate (2020–Present)
Grangeville - Idaho County Airport (24.9 miles)
Average Low 2020–2025
36.4 °FAverage 2020–2025
46.8 °FAverage High 2020–2025
57.3 °F