Sylvan Lake Weather Forecast
- 45
- 59
Chance Thunderstorms
- 48
- 60
Chance Thunderstorms
- 46
- 72
Chance Thunderstorms
- 51
- 67
Mostly Sunny
- 51
- 77
Slight Chance Thunderstorms
- 48
- 71
Slight Chance Thunderstorms
- 51
- 67
Chance Thunderstorms
Today 8 Jun Central Black Hills
Mostly sunny. Highs in the 60s. Southeast Winds 5 to 10 Mph.
Tonight 8 Jun Central Black Hills
Partly cloudy with a slight chance of Showers and Thunderstorms. Patchy fog after midnight. Lows in the upper 40s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph this evening. Chance of rain 20 percent.
Sylvan Lake Temperature Statistics
June Temperature
Custer, Custer County Airport (8.1 miles)
Lowest 1 June, 2024
39.7 °FAverage June
59.5 °FHighest 2 June, 2024
75.7 °F
Climate (2019–Present)
Custer, Custer County Airport (8.1 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
32.9 °FAverage 2019–2024
44 °FAverage High 2019–2024
54.9 °F