Fayetteville Weather Forecast
- 26
- 34
Increasing Clouds
- 22
- 45
Rain/Snow
- 11
- 27
Partly Sunny
- 15
- 27
Partly Sunny
- 9
- 26
Mostly Sunny
- 20
- 31
Mostly Sunny
Today 15 Jan St. Clair
Sunny. Highs in the mid 30s. Northwest Winds around 5 Mph, becoming southwest.
Tonight 15 Jan St. Clair
Mostly cloudy. A chance of snow in the evening. Not as cool with Lows in the upper 20s. Temperature rising into the lower 30s after midnight. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of snow 50 percent.
Fayetteville Temperature Statistics
January Temperature
Belleville, Scott AFB/MidAmerica Airport (11.8 miles)
Lowest 12 January, 2026
19.9 °FAverage January
42.3 °FHighest 6 January, 2026
69.1 °F
Climate (2021–Present)
Belleville, Scott AFB/MidAmerica Airport (11.8 miles)
Average Low 2021–2026
47.6 °FAverage 2021–2026
57.5 °FAverage High 2021–2026
67.7 °F