Alton Weather Forecast
- 50
- 75
Increasing Clouds
- 50
- 74
Partly Sunny
- 52
- 77
Mostly Sunny
- 58
- 78
Mostly Cloudy
- 58
- 76
Rain Showers Likely
- 57
- 74
Chance Rain Showers
Today 27 Oct Jefferson
Sunny. Highs in the mid 70s. East Winds around 5 Mph.
Tonight 27 Oct Jefferson
Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 50. East Winds around 5 Mph.
Alton Temperature Statistics
October Temperature
Birmingham, Birmingham International Airport (6.2 miles)
Lowest 20 October, 2026
42.7 °FAverage October
70.2 °FHighest 2 October, 2026
94.6 °F
Climate (2021–2026)
Birmingham, Birmingham International Airport (6.2 miles)
Average Low 2021–2026
55.6 °FAverage 2021–2026
65.9 °FAverage High 2021–2026
76.5 °F