Keystone Weather Forecast
- 47
- 75
Chance Thunderstorms
- 48
- 73
Chance Thunderstorms
- 46
- 73
Thunderstorms Likely
- 48
- 75
Chance Thunderstorms
- 49
- 77
Slight Chance Thunderstorms
- 49
- 80
Slight Chance Thunderstorms
Today 4 Jul South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes
Mostly sunny with a slight chance of Thunderstorms in the Morning, then Thunderstorms likely in the afternoon. Highs 62 to 72. West Winds 10 to 15 Mph. Chance of Thunderstorms 60 percent.
Tonight 4 Jul South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes
Mostly cloudy with a 20 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows 41 to 51.
Keystone Temperature Statistics
July Temperature
Copper Mountain - Red Cliff Pass (13.7 miles)
Lowest 1 July, 2022
41 °FAverage July
50.3 °FHighest 1 July, 2022
60.8 °F
Climate (2010–Present)
Copper Mountain - Red Cliff Pass (13.7 miles)
Average Low 2010–Present
29.5 °FAverage 2010–Present
36.2 °FAverage High 2010–Present
42.5 °F