Deerfield Lake Weather Forecast
- 21
- 40
Snow Showers
- 16
- 35
Snow Showers
- 24
- 35
Snow Showers
- 24
- 36
Rain/Snow
- 23
- 35
Chance Snow Showers
- 25
- 42
Chance Rain/Snow
- 25
- 45
Chance Snow Showers
Today 23 Apr Northern Black Hills
Mostly cloudy. Near steady temperature in the lower 40s. Northwest Winds 10 to 15 Mph with Gusts up to 35 Mph.
Tonight 23 Apr Northern Black Hills
Snow Showers. Snow accumulation around an inch. Lows in the lower 20s. Northwest Winds around 5 Mph with Gusts up to 20 Mph. Chance of snow 90 percent.
Deerfield Lake Temperature Statistics
April Temperature
Custer, Custer County Airport (21.1 miles)
Lowest 7 April, 2026
20.6 °FAverage April
40.2 °FHighest 11 April, 2026
72.6 °F
Climate (2021–Present)
Custer, Custer County Airport (21.1 miles)
Average Low 2021–2026
33.6 °FAverage 2021–2026
45.4 °FAverage High 2021–2026
56.9 °F