Black Hills National Forest Weather Forecast
- 61
- 80
Chance Thunderstorms
- 56
- 84
Chance Thunderstorms
- 55
- 75
Chance Thunderstorms
- 55
- 75
Rain Showers Likely
- 54
- 72
Rain Showers
- 59
- 79
Chance Thunderstorms
- 62
- 85
Chance Thunderstorms
Today 19 Jul Northern Black Hills
Partly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. South Winds around 5 Mph. Chance of rain 20 percent.
Tonight 19 Jul Northern Black Hills
A slight chance of Thunderstorms in the evening. Mostly clear with a slight chance of Showers. Lows around 60. North Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.
Black Hills National Forest Temperature Statistics
July Temperature
Custer, Custer County Airport (16.8 miles)
Lowest 3 July, 2026
50.6 °FAverage July
70.5 °FHighest 12 July, 2026
91.7 °F
Climate (2021–2026)
Custer, Custer County Airport (16.8 miles)
Average Low 2021–2026
33.5 °FAverage 2021–2026
45.3 °FAverage High 2021–2026
56.9 °F