Hermosa Weather Forecast
- 65
- 88
Slight Chance Thunderstorms
- 63
- 84
Chance Thunderstorms
- 62
- 87
Chance Thunderstorms
- 64
- 89
Mostly Sunny
- 64
- 91
Mostly Sunny
- 64
- 92
Mostly Sunny
Today 15 Aug Hermosa Foothills
Partly cloudy. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. Northeast Winds 10 to 15 Mph. Chance of rain 20 percent.
Tonight 15 Aug Hermosa Foothills
Partly cloudy with a chance of Showers and Thunderstorms. Lows in the mid 60s. North Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.
Hermosa Temperature Statistics
August Temperature
Rapid City, Rapid City Regional Airport (15.5 miles)
Lowest 9 August, 2025
48.7 °FAverage August
73.1 °FHighest 7 August, 2025
92.6 °F
Climate (2020–Present)
Rapid City, Rapid City Regional Airport (15.5 miles)
Average Low 2020–2025
35.2 °FAverage 2020–2025
48.6 °FAverage High 2020–2025
62.1 °F