Canyon Lake Weather Forecast

    • 54
    • 73

    Rain Showers Likely

    • 52
    • 66

    Rain Showers

    • 47
    • 66

    Chance Rain Showers

    • 49
    • 72

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

Today 16 Sep Rapid City

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the lower 70s. Northeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 16 Sep Rapid City

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Thunderstorms in the evening. A chance of Showers. Lows in the mid 50s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 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 6 September, 2025

    40.5 °F

  • Average September

    67.2 °F

  • Highest 11 September, 2025

    95 °F

Climate (2020–Present)

Ellsworth Air Force Base (11.2 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    60.7 °F
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