Lake Mills Weather Forecast
- 62
- 73
Rain Showers Likely
- 63
- 83
Slight Chance Thunderstorms
- 72
- 85
Slight Chance Thunderstorms
- 75
- 92
Mostly Sunny
- 75
- 93
Mostly Sunny
- 72
- 92
Chance Thunderstorms
Today 18 Jun Jefferson
Cooler, cloudy. Chance of light Showers and Thunderstorms in the Morning, then Showers and chance of Thunderstorms in the afternoon. Patchy fog in the afternoon. Highs in the lower 70s. Northeast Winds up to 10 Mph. Chance of precipitation 80 percent.
Tonight 18 Jun Jefferson
Mostly cloudy until early morning then becoming partly cloudy. Light Showers likely and chance of Thunderstorms in the Evening, then chance of light Showers and Thunderstorms in the late evening and overnight. Lows in the lower 60s. Northwest Winds 5 to 10 Mph. Chance of precipitation 70 percent.
Lake Mills Temperature Statistics
June Temperature
Watertown (11.2 miles)
Lowest 1 June, 2025
38.7 °FAverage June
64.7 °FHighest 11 June, 2025
84.9 °F
Climate (2020–Present)
Watertown (11.2 miles)
Average Low 2020–2025
36.3 °FAverage 2020–2025
46.1 °FAverage High 2020–2025
55.2 °F