Jamestown Weather Forecast
- 40
- 60
Decreasing Clouds
- 36
- 59
Chance Rain/Snow
- 32
- 46
Mostly Cloudy
- 31
- 46
Chance Snow Showers
- 28
- 44
Chance Snow
- 25
- 36
Chance Snow
- 24
- 36
Slight Chance Snow
Today 15 Nov Larimer and Boulder Counties Between 6000 and 9000 Feet
Mostly cloudy. Highs 56 to 66. West Winds 10 to 20 Mph with Gusts up to 30 Mph.
Tonight 15 Nov Larimer and Boulder Counties Between 6000 and 9000 Feet
Mostly cloudy in the Evening, then becoming partly cloudy. Lows 33 to 43.
Jamestown Temperature Statistics
November Temperature
Boulder Municipal Airport (9.9 miles)
Lowest 1 November, 2025
28.4 °FAverage November
53.2 °FHighest 2 November, 2025
80.6 °F
Climate (2020–Present)
Boulder Municipal Airport (9.9 miles)
Average Low 2020–2025
40.5 °FAverage 2020–2025
52.7 °FAverage High 2020–2025
65.1 °F