Benchmark Weather Forecast

    • 40
    • 60

    Slight Chance Rain Showers

    • 42
    • 66

    Partly Sunny

    • 45
    • 72

    Mostly Sunny

    • 46
    • 77

    Mostly Sunny

    • 41
    • 60

    Mostly Sunny

    • 42
    • 67

    Sunny

    • 46
    • 72

    Mostly Sunny

Today 18 Sep Northern Black Hills

Partly cloudy with a 20 percent chance of Showers. Near steady temperature in the upper 50s. Northeast Winds around 5 Mph.

Tonight 18 Sep Northern Black Hills

Partly cloudy. A slight chance of rain Showers and Thunderstorms after midnight. Areas of fog after midnight. Lows around 40. East Winds around 5 Mph, becoming west after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Benchmark Temperature Statistics

September Temperature

Spearfish / Clyde Ice (20.5 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 (20.5 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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