Alton Weather Forecast
- 37
- 65
Sunny
- 36
- 66
Partly Sunny
- 37
- 67
Mostly Sunny
- 38
- 67
Mostly Sunny
- 36
- 61
Chance Rain
- 36
- 62
Mostly Sunny
Today 18 Oct Southern Mountains
Sunny. Highs in the lower 50s.
Tonight 18 Oct Southern Mountains
Mostly clear. Lows in the mid 30s.
Alton Temperature Statistics
October Temperature
Bryce Canyon Airport (25.5 miles)
Lowest 16 October, 2025
21.9 °FAverage October
47.1 °FHighest 2 October, 2025
71.1 °F
Climate (2020–Present)
Bryce Canyon Airport (25.5 miles)
Average Low 2020–2025
28.3 °FAverage 2020–2025
44.2 °FAverage High 2020–2025
58.2 °F