Clear Lake Weather Forecast
- 51
- 76
Rain Showers
- 28
- 54
Chance Rain/Snow
- 27
- 42
Partly Sunny
- 37
- 54
Partly Sunny
- 42
- 68
Chance Rain
- 27
- 54
Rain Likely
Today 14 Mar Rock
Windy. Partly sunny. Highs in the mid 70s. South Winds 15 to 20 Mph increasing to 20 to 30 Mph in the afternoon.
Tonight 14 Mar Rock
Not as cool. Mostly clear after midnight then becoming mostly cloudy. Chance of Sprinkles. Lows in the mid 40s. Southeast Winds 10 to 15 Mph.
Clear Lake Temperature Statistics
March Temperature
Janesville-Rock County (12.4 miles)
Lowest 2 March, 2025
12.2 °FAverage March
35.2 °FHighest 10 March, 2025
68 °F
Climate (2020–Present)
Janesville-Rock County (12.4 miles)
Average Low 2020–2025
40.6 °FAverage 2020–2025
48.8 °FAverage High 2020–2025
60.2 °F