Carbondale Weather Forecast
- 76
- 92
Chance Thunderstorms
- 77
- 94
Mostly Sunny
- 77
- 95
Mostly Sunny
- 76
- 93
Slight Chance Thunderstorms
- 76
- 93
Chance Thunderstorms
- 75
- 93
Slight Chance Thunderstorms
Today 22 Jul Jackson
Mostly sunny. Patchy fog this morning. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Southeast Winds around 5 Mph. Chance of rain 40 percent. Highest heat index Readings heat index Readings up to 107 this afternoon.
Tonight 22 Jul Jackson
Partly cloudy in the Evening, then clearing. Humid with Lows in the mid 70s. Southeast Winds around 5 Mph.
Carbondale Temperature Statistics
July Temperature
Southern Illinois Airport (3.7 miles)
Lowest 2 July, 2025
66.7 °FAverage July
80 °FHighest 11 July, 2025
92.6 °F
Climate (2020–Present)
Southern Illinois Airport (3.7 miles)
Average Low 2020–2025
47.8 °FAverage 2020–2025
58 °FAverage High 2020–2025
68.6 °F