Canyon Lake Weather Forecast

    • 56
    • 67

    Chance Rain Showers

    • 53
    • 80

    Partly Sunny

    • 53
    • 78

    Partly Sunny

    • 57
    • 75

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 54
    • 74

    Chance Rain Showers

Today 22 Sep Rapid City

Patchy fog in the morning. Mostly cloudy. Highs in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 22 Sep Rapid City

Mostly cloudy with a 40 percent chance of Showers. Lows in the mid 50s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

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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

    70.3 °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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