Average Soil Temperature in Jacksonville, IL — March 2026
Data from Mason #1 (43.9 mi away) • 28 of 31 days reported
Monthly Summary by Depth
2" depth
48.4°F
avg
39.2°F – 57.7°F
28 days
4" depth
46.9°F
avg
38.5°F – 56.1°F
28 days
8" depth
49°F
avg
40.5°F – 58.3°F
28 days
20" depth
46.2°F
avg
39.7°F – 52.7°F
28 days
40" depth
45.2°F
avg
41°F – 49.3°F
28 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Mar 1 | 39.2°F | 38.5°F | 40.5°F | 39.7°F | 41°F |
| Mar 2 | 39.7°F | 38.8°F | 40.5°F | 39.7°F | 41.2°F |
| Mar 3 | 41.9°F | 40.6°F | 42.1°F | 40.5°F | 41.2°F |
| Mar 4 | 42.3°F | 41°F | 42.4°F | 41.2°F | 41.5°F |
| Mar 5 | 45.5°F | 43.7°F | 45.3°F | 42.3°F | 41.7°F |
| Mar 6 | 52°F | 49.3°F | 50.4°F | 44.6°F | 42.3°F |
| Mar 7 | 47.8°F | 47.1°F | 48.7°F | 46.2°F | 43.2°F |
| Mar 8 | 47.5°F | 46.4°F | 48.4°F | 45.7°F | 43.7°F |
| Mar 9 | 51.3°F | 49.1°F | 50.7°F | 46.2°F | 44.1°F |
| Mar 10 | 55.9°F | 52.9°F | 54.7°F | 48.2°F | 45°F |
| Mar 11 | 48°F | 47.8°F | 49.6°F | 48.4°F | 45.7°F |
| Mar 12 | 47.1°F | 46°F | 48.2°F | 46.9°F | 46°F |
| Mar 13 | 46.8°F | 45.9°F | 48.4°F | 46.6°F | 46°F |
| Mar 14 | 47.1°F | 45.9°F | 48.2°F | 46.4°F | 46°F |
| Mar 15 | 46.4°F | 45.9°F | 48°F | 46.8°F | 46°F |
| Mar 16 | 42.3°F | 42.3°F | 44.6°F | 45.1°F | 46.4°F |
| Mar 17 | 40.8°F | 40.3°F | 42.6°F | 43.5°F | 45.9°F |
| Mar 18 | 45.1°F | 43.2°F | 46°F | 43.9°F | 45.5°F |
| Mar 19 | 49.1°F | 46.8°F | 49.6°F | 45.5°F | 45.5°F |
| Mar 20 | 51.8°F | 49.5°F | 51.8°F | 47.1°F | 45.7°F |
| Mar 21 | 54.1°F | 51.4°F | 53.8°F | 48.6°F | 46°F |
| Mar 22 | 51.1°F | 50.4°F | 52.7°F | 49.6°F | 46.9°F |
| Mar 24 | 49.5°F | 48°F | 50.5°F | 48°F | 47.5°F |
| Mar 25 | 52.7°F | 50.5°F | 52.3°F | 48.7°F | 47.8°F |
| Mar 26 | 54.1°F | 52.7°F | 54.7°F | 50.5°F | 47.8°F |
| Mar 29 | 50.7°F | 49.5°F | 51.8°F | 49.3°F | 48.6°F |
| Mar 30 | 56.7°F | 54.1°F | 55.9°F | 50.7°F | 48.6°F |
| Mar 31 | 57.7°F | 56.1°F | 58.3°F | 52.7°F | 49.3°F |