Jamestown Weather Forecast
- 59
- 84
Areas Smoke
- 62
- 85
Areas Smoke
- 64
- 88
Partly Sunny
- 63
- 87
Chance Thunderstorms
- 61
- 84
Chance Thunderstorms
- 59
- 82
Chance Thunderstorms
Today 6 Aug Larimer and Boulder Counties Between 6000 and 9000 Feet
Mostly sunny. Areas of smoke. Highs 83 to 93. Northwest Winds 10 to 15 Mph in the afternoon.
Tonight 6 Aug Larimer and Boulder Counties Between 6000 and 9000 Feet
Mostly clear. Areas of smoke. Lows 50 to 60.
Jamestown Temperature Statistics
August Temperature
Boulder Municipal Airport (9.9 miles)
Lowest 4 August, 2026
53.6 °FAverage August
78.1 °FHighest 2 August, 2026
104 °F
Climate (2021–2026)
Boulder Municipal Airport (9.9 miles)
Average Low 2021–2026
41.3 °FAverage 2021–2026
53.7 °FAverage High 2021–2026
66.3 °F