Jefferson Weather Forecast
- 45
- 75
Rain Showers Likely
- 46
- 76
Chance Thunderstorms
- 48
- 78
Slight Chance Thunderstorms
- 50
- 81
Chance Thunderstorms
- 49
- 80
Thunderstorms Likely
- 48
- 76
Thunderstorms
- 47
- 76
Thunderstorms
Today 16 Jul South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes
Chance of Thunderstorms. Showers likely late in the afternoon. Highs 65 to 75. East Winds 10 to 15 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.
Tonight 16 Jul South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes
Partly cloudy. Chance of Showers and slight chance of Thunderstorms early in the evening. Lows 41 to 51. Chance of rain 40 percent.
Jefferson Temperature Statistics
July Temperature
Copper Mountain - Red Cliff Pass (19.9 miles)
Lowest 9 July, 2026
39.2 °FAverage July
54.6 °FHighest 12 July, 2026
68 °F
Climate (2021–2026)
Copper Mountain - Red Cliff Pass (19.9 miles)
Average Low 2021–2026
29.5 °FAverage 2021–2026
35.8 °FAverage High 2021–2026
42.1 °F