Canyon Lake Weather Forecast

    • 57
    • 77

    Rain Showers Likely

    • 53
    • 66

    Rain Showers

    • 50
    • 60

    Rain Showers

    • 50
    • 63

    Chance Rain Showers

    • 55
    • 73

    Partly Sunny

    • 55
    • 79

    Chance Rain Showers

    • 56
    • 79

    Partly Sunny

Today 18 Sep Rapid City

Partly cloudy in the Morning, then clearing. Highs in the upper 70s.

Tonight 18 Sep Rapid City

Cloudy. Showers and Thunderstorms this Evening, then a chance of Showers and Thunderstorms. Patchy fog. Lows in the upper 50s. Southeast Winds 5 to 10 Mph. Chance of rain 80 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

    71.5 °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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