Canyon Lake Weather Forecast

    • 54
    • 74

    Increasing Clouds

    • 58
    • 83

    Mostly Sunny

    • 63
    • 93

    Mostly Sunny

    • 66
    • 97

    Hot

    • 65
    • 98

    Hot

    • 66
    • 96

    Slight Chance Thunderstorms

Today 4 Aug Rapid City

Partly cloudy. Areas of smoke. Highs in the lower 70s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon.

Tonight 4 Aug Rapid City

Mostly clear in the Evening, then partly cloudy with a slight chance of Showers after midnight. Lows in the mid 50s. 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 1 August, 2026

    64.6 °F

  • Average August

    84.3 °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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