Round Lake Weather Forecast
- 73
- 90
Mostly Sunny
- 72
- 90
Chance Thunderstorms
- 62
- 81
Rain Showers
- 61
- 80
Partly Sunny
- 63
- 80
Chance Thunderstorms
- 63
- 80
Chance Thunderstorms
- 63
- 82
Chance Thunderstorms
Today 3 Jul Le Sueur
Sunny. Highs around 90. Southeast Winds 5 to 10 Mph.
Tonight 3 Jul Le Sueur
Partly cloudy. A 20 percent chance of Showers early in the evening. Lows in the lower 70s. South Winds 5 to 10 Mph.
Round Lake Temperature Statistics
July Temperature
Mankato, Mankato Regional Airport (8.1 miles)
Lowest 1 July, 2025
63 °FAverage July
73.8 °FHighest 1 July, 2025
82.9 °F
Climate (2020–Present)
Mankato, Mankato Regional Airport (8.1 miles)
Average Low 2020–2025
39.1 °FAverage 2020–2025
48 °FAverage High 2020–2025
56.8 °F