Hermosa Weather Forecast

    • 53
    • 67

    Mostly Cloudy

    • 52
    • 81

    Partly Sunny

    • 52
    • 77

    Partly Sunny

    • 55
    • 75

    Partly Sunny

    • 52
    • 79

    Mostly Sunny

    • 53
    • 73

    Partly Sunny

Today 22 Sep Hermosa Foothills

Patchy fog in the morning. Cloudy. Highs in the mid 60s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 22 Sep Hermosa Foothills

Mostly cloudy with a 40 percent chance of Showers. Lows in the lower 50s. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hermosa Temperature Statistics

September Temperature

Rapid City, Rapid City Regional Airport (15.5 miles)

  • Lowest 15 September, 2026

    41.6 °F

  • Average September

    69 °F

  • Highest 4 September, 2026

    97.6 °F

Climate (2021–2026)

Rapid City, Rapid City Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    63.4 °F
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