Canyon Lake Weather Forecast

    • 60
    • 69

    Chance Thunderstorms

    • 59
    • 82

    Chance Thunderstorms

    • 56
    • 77

    Chance Thunderstorms

    • 57
    • 80

    Rain Showers Likely

    • 59
    • 85

    Chance Thunderstorms

    • 59
    • 84

    Chance Thunderstorms

Today 13 Aug Rapid City

Cloudy with a chance of Showers and Thunderstorms. Areas of fog. Highs in the upper 60s. East Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 13 Aug Rapid City

A slight chance of Thunderstorms in the evening. Cloudy with a chance of Showers. Patchy fog. Lows in the lower 60s. Southeast Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening. Chance of rain 50 percent.

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Canyon Lake Temperature Statistics

August Temperature

Ellsworth Air Force Base (11.2 miles)

  • Lowest 4 August, 2026

    49.3 °F

  • Average August

    76 °F

  • Highest 2 August, 2026

    103.8 °F

Climate (2021–2026)

Ellsworth Air Force Base (11.2 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    61.3 °F
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