Sylvan Lake Weather Forecast
- 49
- 76
Mostly Sunny
- 55
- 79
Chance Rain Showers
- 57
- 82
Chance Thunderstorms
- 54
- 81
Mostly Sunny
- 52
- 78
Mostly Sunny
- 57
- 79
Slight Chance Rain Showers
- 59
- 82
Slight Chance Thunderstorms
Today 18 Aug South Cass
Sunny. Near steady temperature in the mid 70s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.
Tonight 18 Aug South Cass
Mostly clear. Lows in the mid 40s. North Winds 5 to 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.
Sylvan Lake Temperature Statistics
August Temperature
Brainerd - Crow Wing County Airport (13 miles)
Lowest 5 August, 2026
45.6 °FAverage August
69.9 °FHighest 3 August, 2026
89.7 °F
Climate (2021–2026)
Brainerd - Crow Wing County Airport (13 miles)
Average Low 2021–2026
34.3 °FAverage 2021–2026
44.6 °FAverage High 2021–2026
54.5 °F