Altenburg Weather Forecast
- 55
- 82
Mostly Sunny
- 53
- 78
Partly Sunny
- 52
- 79
Mostly Sunny
- 55
- 81
Partly Sunny
- 57
- 81
Partly Sunny
- 59
- 82
Partly Sunny
Today 24 Aug Perry
Sunny. Highs in the lower 80s. North Winds 5 to 10 Mph.
Tonight 24 Aug Perry
Mostly clear. Lows in the mid 50s. North Winds 5 to 10 Mph.
Altenburg Temperature Statistics
August Temperature
Southern Illinois Airport (21.1 miles)
Lowest 3 August, 2025
55.7 °FAverage August
79.1 °FHighest 19 August, 2025
98.7 °F
Climate (2020–Present)
Southern Illinois Airport (21.1 miles)
Average Low 2020–2025
47.9 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
68.7 °F