Jamestown Weather Forecast
- 51
- 76
Slight Chance Thunderstorms
- 51
- 75
Patchy Smoke
- 56
- 78
Mostly Sunny
- 58
- 81
Partly Sunny
- 54
- 78
Slight Chance Thunderstorms
- 55
- 76
Chance Thunderstorms
Today 30 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet
Patchy smoke in the morning. Mostly sunny until late Afternoon, then a slight chance of Thunderstorms late in the afternoon. Highs 73 to 83. South Winds 10 to 15 Mph in the afternoon. Chance of precipitation 20 percent.
Tonight 30 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet
Partly cloudy. Slight chance of Showers in the evening. Patchy smoke through the night. Lows 43 to 53. Chance of rain 10 percent.
Jamestown Temperature Statistics
June Temperature
Boulder Municipal Airport (9.9 miles)
Lowest 14 June, 2026
48.2 °FAverage June
70.9 °FHighest 6 June, 2026
95 °F
Climate (2021–2026)
Boulder Municipal Airport (9.9 miles)
Average Low 2021–2026
41.2 °FAverage 2021–2026
53.6 °FAverage High 2021–2026
66.2 °F