Canyon Lake Weather Forecast

    • 59
    • 80

    Thunderstorms Likely

    • 60
    • 86

    Chance Thunderstorms

    • 56
    • 82

    Chance Thunderstorms

    • 58
    • 81

    Chance Thunderstorms

    • 61
    • 88

    Mostly Sunny

    • 61
    • 89

    Slight Chance Thunderstorms

Today 16 Aug Rapid City

Partly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 16 Aug Rapid City

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Lows around 60. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Canyon Lake Temperature Statistics

August Temperature

Ellsworth Air Force Base (11.2 miles)

  • Lowest 4 August, 2026

    49.3 °F

  • Average August

    74.6 °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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