Jamestown Weather Forecast
- 39
- 56
Becoming Sunny
- 38
- 59
Partly Sunny
- 39
- 58
Partly Sunny
- 41
- 58
Partly Sunny
- 40
- 55
Slight Chance Rain Showers
- 38
- 51
Rain Showers Likely
Today 27 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet
Mostly cloudy in the Morning, then becoming partly cloudy. Patchy fog in the morning. Highs 53 to 61. West Winds 10 to 15 Mph in the Morning, becoming light.
Tonight 27 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet
Partly cloudy. Lows 33 to 41.
Jamestown Temperature Statistics
October Temperature
Boulder Municipal Airport (9.9 miles)
Lowest 16 October, 2026
35.6 °FAverage October
61.7 °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