Marion Weather Forecast
- 44
- 70
Sunny
- 40
- 66
Sunny
- 38
- 66
Mostly Sunny
- 48
- 62
Chance Rain Showers
- 52
- 65
Chance Rain Showers
- 51
- 68
Chance Rain Showers
Today 21 Oct Williamson
Sunny. Highs around 70. West Winds 15 to 20 Mph. Gusts up to 35 Mph this afternoon.
Tonight 21 Oct Williamson
Clear. Lows in the lower 40s. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.
Marion Temperature Statistics
October Temperature
Marion - Williamson County Regional Airport (4.3 miles)
Lowest 10 October, 2025
39.9 °FAverage October
62.8 °FHighest 2 October, 2025
87.8 °F
Climate (2020–Present)
Marion - Williamson County Regional Airport (4.3 miles)
Average Low 2020–2025
47.4 °FAverage 2020–2025
55.7 °FAverage High 2020–2025
67.6 °F