Canyon Lake Weather Forecast

    • 68
    • 93

    Slight Chance Thunderstorms

    • 57
    • 92

    Slight Chance Thunderstorms

    • 51
    • 84

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 57
    • 90

    Mostly Sunny

    • 53
    • 85

    Partly Sunny

    • 47
    • 75

    Chance Rain Showers

Today 6 Sep Rapid City

Partly cloudy with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 6 Sep Rapid City

Mostly clear this Evening, then becoming partly cloudy. A slight chance of Showers and Thunderstorms. Lows in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Canyon Lake Temperature Statistics

September Temperature

Ellsworth Air Force Base (11.2 miles)

  • Lowest 2 September, 2026

    57.4 °F

  • Average September

    75.8 °F

  • Highest 4 September, 2026

    96.4 °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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