Sylvan Lake Weather Forecast
- 49
- 74
Mostly Cloudy
- 40
- 61
Mostly Sunny
- 44
- 60
Partly Sunny
- 41
- 58
Chance Rain Showers
- 38
- 58
Mostly Sunny
- 44
- 58
Partly Sunny
Today 30 Sep South Cass
Partly sunny this Morning, then clearing. Patchy fog this morning. Warmer with Highs in the mid 70s. West Winds 5 to 10 Mph.
Tonight 30 Sep South Cass
Mostly cloudy. Lows in the upper 40s. West Winds around 5 Mph, becoming northwest after midnight.
Sylvan Lake Temperature Statistics
September Temperature
Brainerd - Crow Wing County Airport (13 miles)
Lowest 14 September, 2026
40.6 °FAverage September
61.9 °FHighest 3 September, 2026
84.7 °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