Jamestown Weather Forecast
- 40
- 69
Mostly Cloudy
- 34
- 49
Rain/Snow
- 35
- 51
Rain Showers
- 30
- 56
Rain/Snow Likely
- 26
- 42
Chance Snow Showers
- 28
- 48
Chance Snow Showers
Today 30 Mar Larimer and Boulder Counties Between 6000 and 9000 Feet
Mostly cloudy. Highs 63 to 73. West Winds 15 to 25 Mph with Gusts up to 35 Mph.
Tonight 30 Mar Larimer and Boulder Counties Between 6000 and 9000 Feet
Mostly cloudy. Slight chance of Showers after midnight. Lows 36 to 42. West Winds 10 to 15 Mph with Gusts up to 30 Mph in the Evening, becoming light. Chance of rain 10 percent.
Jamestown Temperature Statistics
March Temperature
Boulder Municipal Airport (9.9 miles)
Lowest 16 March, 2026
21.2 °FAverage March
54.3 °FHighest 21 March, 2026
89.6 °F
Climate (2021–Present)
Boulder Municipal Airport (9.9 miles)
Average Low 2021–2026
41.1 °FAverage 2021–2026
53.4 °FAverage High 2021–2026
65.9 °F