Carterville Weather Forecast
- 56
- 77
Increasing Clouds
- 58
- 80
Rain Showers
- 40
- 71
Chance Rain Showers
- 34
- 53
Mostly Sunny
- 51
- 66
Mostly Sunny
- 56
- 72
Mostly Cloudy
Today 13 Mar Williamson
Partly sunny with a slight chance of Showers and Thunderstorms this Morning, then sunny this afternoon. Highs in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 13 Mar Williamson
Clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. South Winds 5 to 10 Mph.
Carterville Temperature Statistics
March Temperature
Marion - Williamson County Regional Airport (3.1 miles)
Lowest 2 March, 2025
19.4 °FAverage March
43.3 °FHighest 11 March, 2025
77 °F
Climate (2020–Present)
Marion - Williamson County Regional Airport (3.1 miles)
Average Low 2020–2025
47 °FAverage 2020–2025
55.3 °FAverage High 2020–2025
67.2 °F