Jamestown Weather Forecast
- 34
- 45
Chance Rain/Snow
- 36
- 45
Rain/Snow Likely
- 34
- 48
Chance Rain Showers
- 36
- 55
Mostly Sunny
- 35
- 54
Partly Sunny
- 36
- 52
Mostly Cloudy
Today 24 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet
Partly cloudy in the Morning, then becoming mostly cloudy. Slight chance of rain Showers. Chance of snow Showers in the afternoon. Highs 43 to 51. East Winds 10 to 15 Mph with Gusts up to 25 Mph in the afternoon. Chance of precipitation 30 percent.
Tonight 24 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet
Mostly cloudy. Slight chance of rain and snow Showers in the evening. Lows 29 to 37. Chance of precipitation 20 percent.
Jamestown Temperature Statistics
October Temperature
Boulder Municipal Airport (9.9 miles)
Lowest 16 October, 2026
35.6 °FAverage October
62.2 °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