Average Soil Temperature in Carbondale, IL for October 2026
Data from Dexter (75.8 mi away) • 25 of 31 days reported
Monthly Summary by Depth
2" depth
67.1°F
avg
59.5°F – 79.3°F
25 days
4" depth
68.7°F
avg
62.1°F – 79.9°F
25 days
8" depth
71.2°F
avg
65.8°F – 80.8°F
25 days
20" depth
72.5°F
avg
68.7°F – 78.8°F
25 days
40" depth
73.5°F
avg
70.3°F – 76.8°F
25 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Oct 1 | 79.3°F | 79.9°F | 80.8°F | 78.8°F | 76.8°F |
| Oct 2 | 69.4°F | 71.2°F | 74.1°F | 77°F | 76.8°F |
| Oct 3 | 70.5°F | 71.8°F | 73.6°F | 75.4°F | 76.5°F |
| Oct 4 | 67.3°F | 69.4°F | 72.7°F | 74.8°F | 75.9°F |
| Oct 5 | 65.3°F | 67.6°F | 71.2°F | 73.9°F | 75.4°F |
| Oct 6 | 65.5°F | 67.6°F | 70.9°F | 73°F | 74.8°F |
| Oct 7 | 68.5°F | 69.8°F | 71.8°F | 72.9°F | 74.3°F |
| Oct 8 | 68.2°F | 69.8°F | 72.5°F | 73.4°F | 74.1°F |
| Oct 9 | 68.5°F | 70°F | 72.5°F | 73.4°F | 73.9°F |
| Oct 10 | 67.6°F | 69.1°F | 71.4°F | 72.7°F | 73.8°F |
| Oct 11 | 69.3°F | 70.7°F | 72.7°F | 72.9°F | 73.4°F |
| Oct 12 | 70.7°F | 72°F | 73.9°F | 73.4°F | 73.4°F |
| Oct 13 | 75.7°F | 76.1°F | 76.1°F | 74.1°F | 73.4°F |
| Oct 14 | 74.8°F | 75.2°F | 75.4°F | 74.7°F | 73.4°F |
| Oct 15 | 75.9°F | 76.6°F | 77.4°F | 75.6°F | 73.6°F |
| Oct 16 | 62.2°F | 64.6°F | 69.3°F | 73.8°F | 73.9°F |
| Oct 17 | 59.5°F | 62.2°F | 66.9°F | 71.2°F | 73.4°F |
| Oct 18 | 59.7°F | 62.1°F | 65.8°F | 69.4°F | 72.7°F |
| Oct 19 | 61.7°F | 63.3°F | 66.4°F | 68.9°F | 72°F |
| Oct 20 | 62.2°F | 64°F | 66.7°F | 68.7°F | 71.4°F |
| Oct 21 | 63.7°F | 65.3°F | 68°F | 69.3°F | 71.1°F |
| Oct 22 | 63.7°F | 65.3°F | 67.8°F | 69.3°F | 70.9°F |
| Oct 23 | 62.6°F | 64.6°F | 67.5°F | 69.1°F | 70.7°F |
| Oct 24 | 63.5°F | 65.1°F | 67.5°F | 68.9°F | 70.5°F |
| Oct 25 | 63.3°F | 64.9°F | 67.3°F | 68.7°F | 70.3°F |