Lake Washington Weather Forecast
- 62
- 83
Mostly Sunny
- 64
- 84
Chance Thunderstorms
- 61
- 81
Mostly Sunny
- 64
- 83
Mostly Sunny
- 66
- 84
Rain Showers Likely
- 60
- 77
Rain Showers Likely
- 60
- 78
Slight Chance Thunderstorms
Today 6 Jul Le Sueur
Sunny. Near steady temperature in the lower 80s. North Winds 5 to 10 Mph.
Tonight 6 Jul Le Sueur
Increasing Clouds. Lows in the lower 60s. North Winds up to 5 Mph shifting to the east after midnight.
Lake Washington Temperature Statistics
July Temperature
Mankato, Mankato Regional Airport (3.1 miles)
Lowest 1 July, 2025
63 °FAverage July
78.3 °FHighest 3 July, 2025
90 °F
Climate (2020–Present)
Mankato, Mankato Regional Airport (3.1 miles)
Average Low 2020–2025
39.1 °FAverage 2020–2025
48 °FAverage High 2020–2025
56.8 °F