Canyon Lake Weather Forecast

    • 54
    • 77

    Chance Thunderstorms

    • 52
    • 72

    Partly Sunny

    • 50
    • 75

    Partly Sunny

    • 49
    • 65

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 45
    • 67

    Partly Sunny

Today 28 Sep Rapid City

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the lower 70s. Southwest Winds 5 to 10 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

Tonight 28 Sep Rapid City

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the mid 50s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 30 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 13 September, 2026

    47.5 °F

  • Average September

    68.1 °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

    38.1 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    61.3 °F
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