Fish Mountain Weather Forecast
- 49
- 74
Mostly Sunny
- 51
- 73
Sunny
- 55
- 81
Mostly Sunny
- 48
- 76
Mostly Sunny
- 48
- 71
Chance Rain Showers
- 46
- 67
Chance Rain Showers
Today 8 Sep Wyoming Black Hills
Sunny. Highs in the mid 70s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 8 Sep Wyoming Black Hills
Clear. Lows in the lower 50s. North Winds 5 to 10 Mph.
Fish Mountain Temperature Statistics
September Temperature
Spearfish / Clyde Ice (26.7 miles)
Lowest 1 September, 2026
53.6 °FAverage September
76.4 °FHighest 4 September, 2026
96.8 °F
Climate (2021–2026)
Spearfish / Clyde Ice (26.7 miles)
Average Low 2021–2026
36.7 °FAverage 2021–2026
48.2 °FAverage High 2021–2026
59.1 °F