City of Spearfish Weather Forecast
- 60
- 80
Chance Thunderstorms
- 63
- 83
Chance Thunderstorms
- 64
- 85
Mostly Sunny
- 64
- 84
Chance Thunderstorms
- 61
- 82
Chance Thunderstorms
- 61
- 80
Chance Thunderstorms
- 61
- 83
Chance Thunderstorms
Today 18 Jul Northern Foothills
Mostly sunny. Near steady temperature around 80. East Winds 5 to 10 Mph.
Tonight 18 Jul Northern Foothills
Partly cloudy this Evening, then mostly cloudy with scattered Showers and isolated Thunderstorms after midnight. Lows in the lower 60s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.
City of Spearfish Temperature Statistics
July Temperature
Spearfish / Clyde Ice (3.1 miles)
Lowest 12 July, 2025
48.2 °FAverage July
70.4 °FHighest 9 July, 2025
93.2 °F
Climate (2020–Present)
Spearfish / Clyde Ice (3.1 miles)
Average Low 2020–2025
36 °FAverage 2020–2025
47.4 °FAverage High 2020–2025
58.1 °F