Average Soil Temperature in Thornton, CO for October 2026
Data from Boulder 14 W (32.4 mi away) • 25 of 31 days reported
Monthly Summary by Depth
2" depth
45.9°F
avg
40.1°F – 49.8°F
25 days
4" depth
46.5°F
avg
41.5°F – 50°F
25 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Oct 1 | 47.7°F | 48.7°F |
| Oct 2 | 47.8°F | 48.4°F |
| Oct 3 | 49.3°F | 49.8°F |
| Oct 4 | 49.6°F | 49.8°F |
| Oct 5 | 49.8°F | 49.8°F |
| Oct 6 | 49.6°F | 49.6°F |
| Oct 7 | 48.9°F | 49.1°F |
| Oct 8 | 49.1°F | 49.3°F |
| Oct 9 | 49.3°F | 49.3°F |
| Oct 10 | 49.3°F | 49.5°F |
| Oct 11 | 49.6°F | 50°F |
| Oct 12 | 48.7°F | 49.3°F |
| Oct 13 | 47.3°F | 47.8°F |
| Oct 14 | 43.3°F | 44.6°F |
| Oct 15 | 41.9°F | 43.3°F |
| Oct 16 | 40.1°F | 41.5°F |
| Oct 17 | 41.5°F | 42.4°F |
| Oct 18 | 42.4°F | 43.2°F |
| Oct 19 | 42.6°F | 43.3°F |
| Oct 20 | 43°F | 43.5°F |
| Oct 21 | 43°F | 43.5°F |
| Oct 22 | 44.1°F | 44.6°F |
| Oct 23 | 45°F | 45.1°F |
| Oct 24 | 42.3°F | 43°F |
| Oct 25 | 42.6°F | 43.2°F |