Canyon Lake Weather Forecast
- 59
- 84
Slight Chance Thunderstorms
- 59
- 85
Partly Sunny
- 64
- 88
Partly Sunny
- 65
- 94
Partly Sunny
- 61
- 90
Slight Chance Thunderstorms
- 57
- 85
Mostly Sunny
- 59
- 83
Mostly Sunny
Today 25 Aug Rapid City
Mostly sunny. Near steady temperature in the lower 80s. North Winds 5 to 10 Mph with Gusts up to 25 Mph.
Tonight 25 Aug Rapid City
Clear. Lows in the upper 50s. Northwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.
Canyon Lake Temperature Statistics
August Temperature
Ellsworth Air Force Base (11.2 miles)
Lowest 4 August, 2026
49.3 °FAverage August
74 °FHighest 2 August, 2026
103.8 °F
Climate (2021–2026)
Ellsworth Air Force Base (11.2 miles)
Average Low 2021–2026
38 °FAverage 2021–2026
49.6 °FAverage High 2021–2026
61.3 °F