Lake Jefferson Weather Forecast
- 24
- 34
Chance Freezing Rain
- 29
- 35
Mostly Cloudy
- 25
- 35
Slight Chance Freezing Rain
- 27
- 39
Partly Sunny
- 23
- 37
Mostly Cloudy
- 18
- 33
Chance Snow
Today 4 Jan Le Sueur
Not as cold. Decreasing Clouds. Slight chance of light freezing rain late in the morning. Chance of light freezing rain and slight chance of rain early in the afternoon. Highs in the mid 30s. Southeast Winds 5 to 15 Mph shifting to the south 15 to 20 Mph in the afternoon. Chance of precipitation 50 percent.
Tonight 4 Jan Le Sueur
Mostly cloudy. Areas of freezing fog after midnight. Lows in the mid 20s. South Winds 5 to 15 Mph shifting to the west after midnight.
Lake Jefferson Temperature Statistics
January Temperature
Mankato, Mankato Regional Airport (7.5 miles)
Lowest 1 January, 2026
3.9 °FAverage January
13 °FHighest 2 January, 2026
19.9 °F
Climate (2021–Present)
Mankato, Mankato Regional Airport (7.5 miles)
Average Low 2021–2026
39.3 °FAverage 2021–2026
48.2 °FAverage High 2021–2026
57 °F