Jamestown Weather Forecast
- 37
- 47
Rain Showers Likely
- 34
- 52
Slight Chance Rain/Snow
- 34
- 56
Mostly Sunny
- 36
- 57
Partly Sunny
- 40
- 59
Mostly Cloudy
- 39
- 57
Mostly Cloudy
Today 25 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet
Mostly cloudy. Chance of rain Showers in the afternoon. Highs 43 to 49. Chance of rain 50 percent.
Tonight 25 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet
Rain Showers in the Evening, then rain and snow Showers likely after midnight. Little or no snow accumulation. Lows 32 to 40.
Jamestown Temperature Statistics
October Temperature
Boulder Municipal Airport (9.9 miles)
Lowest 16 October, 2026
35.6 °FAverage October
62.1 °FHighest 5 October, 2026
91.4 °F
Climate (2021–2026)
Boulder Municipal Airport (9.9 miles)
Average Low 2021–2026
41.5 °FAverage 2021–2026
53.8 °FAverage High 2021–2026
66.5 °F