Spearfish Weather Forecast
- 62
- 85
Severe Tstms
- 63
- 83
Slight Chance Thunderstorms
- 65
- 86
Chance Thunderstorms
- 60
- 82
Chance Thunderstorms
- 60
- 77
Chance Thunderstorms
- 62
- 81
Chance Thunderstorms
- 63
- 85
Slight Chance Thunderstorms
Today 19 Jul Northern Foothills
Partly cloudy with scattered Showers and Thunderstorms. Some Thunderstorms may be severe. Near steady temperature around 80. Southeast Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 40 percent.
Tonight 19 Jul Northern Foothills
Partly cloudy. A chance of Showers and Thunderstorms this evening. Some Thunderstorms may be severe with damaging Winds and large hail. Lows in the lower 60s. Southeast Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.
Spearfish Temperature Statistics
July Temperature
Spearfish / Clyde Ice (3.7 miles)
Lowest 12 July, 2025
48.2 °FAverage July
70 °FHighest 9 July, 2025
93.2 °F
Climate (2020–Present)
Spearfish / Clyde Ice (3.7 miles)
Average Low 2020–2025
36 °FAverage 2020–2025
47.4 °FAverage High 2020–2025
58.2 °F