South Beloit Weather Forecast
- 58
- 68
Rain Showers
- 33
- 61
Partly Sunny
- 46
- 60
Mostly Sunny
- 45
- 68
Chance Rain Showers
- 40
- 69
Rain Showers Likely
Today 6 Mar Winnebago
Areas of fog early in the morning. Patchy fog late in the morning. Showers until late afternoon. A chance of Thunderstorms. A chance of Showers late. Breezy with Highs in the upper 60s. Southeast Winds 10 to 15 Mph, increasing to south 15 to 20 Mph in the afternoon. Gusts up to 30 Mph. Chance of precipitation near 100 percent.
Tonight 6 Mar Winnebago
A chance of Showers and Thunderstorms in the Evening, then Showers with Thunderstorms likely after midnight. Breezy with Lows in the mid 50s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation near 100 percent.
South Beloit Temperature Statistics
March Temperature
Janesville-Rock County (8.7 miles)
Lowest 1 March, 2026
10.4 °FAverage March
27.8 °FHighest 3 March, 2026
46.4 °F
Climate (2021–Present)
Janesville-Rock County (8.7 miles)
Average Low 2021–2026
40.4 °FAverage 2021–2026
48.8 °FAverage High 2021–2026
60.4 °F