Silverthorne Weather Forecast
- 44
- 82
Areas Smoke
- 46
- 84
Areas Smoke
- 43
- 80
Thunderstorms Likely
- 42
- 77
Thunderstorms Likely
- 44
- 75
Rain Showers Likely
- 41
- 69
Rain Showers
- 40
- 66
Rain Showers
Today 20 Aug Grand and Summit Counties Below 9000 Feet
Mostly sunny. Highs 80 to 88.
Tonight 20 Aug Grand and Summit Counties Below 9000 Feet
Partly cloudy in the Evening, then becoming clear. Lows 41 to 51.
Silverthorne Temperature Statistics
August Temperature
Copper Mountain - Red Cliff Pass (11.2 miles)
Lowest 1 August, 2025
44.6 °FAverage August
59 °FHighest 7 August, 2025
71.6 °F
Climate (2020–Present)
Copper Mountain - Red Cliff Pass (11.2 miles)
Average Low 2020–2025
29.6 °FAverage 2020–2025
36.1 °FAverage High 2020–2025
42.4 °F