Belle Fourche Weather Forecast

    • 46
    • 67

    Increasing Clouds

    • 47
    • 71

    Becoming Sunny

    • 50
    • 77

    Mostly Sunny

    • 52
    • 82

    Mostly Sunny

    • 46
    • 66

    Slight Chance Rain Showers

    • 46
    • 73

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

Today 18 Sep Butte

Partly cloudy with a 20 percent chance of Showers. Near steady temperature in the mid 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 18 Sep Butte

Partly cloudy. Areas of fog. Lows in the mid 40s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Belle Fourche Temperature Statistics

September Temperature

Spearfish / Clyde Ice (13 miles)

  • Lowest 5 September, 2025

    39.2 °F

  • Average September

    63.7 °F

  • Highest 11 September, 2025

    91.4 °F

Climate (2020–Present)

Spearfish / Clyde Ice (13 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    58.2 °F
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