Canyon Lake Weather Forecast

    • 64
    • 85

    Chance Thunderstorms

    • 66
    • 93

    Slight Chance Thunderstorms

    • 62
    • 91

    Slight Chance Thunderstorms

    • 58
    • 85

    Chance Thunderstorms

    • 60
    • 86

    Slight Chance Thunderstorms

    • 62
    • 88

    Slight Chance Thunderstorms

    • 62
    • 90

    Partly Sunny

Today 22 Aug Rapid City

Partly cloudy. Highs in the mid 80s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 22 Aug Rapid City

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the mid 60s. Southeast Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening. Chance of rain 50 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

    73.8 °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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