Average Soil Temperature in Brea, CA for October 2026
Data from Fallbrook 5 NE (52.3 mi away) • 25 of 31 days reported
Monthly Summary by Depth
2" depth
77.8°F
avg
66.2°F – 91.6°F
25 days
4" depth
78°F
avg
67.5°F – 90.7°F
25 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Oct 1 | 83.3°F | 82.4°F |
| Oct 2 | 88°F | 86.2°F |
| Oct 3 | 90.3°F | 88.9°F |
| Oct 4 | 91°F | 89.8°F |
| Oct 5 | 90.7°F | 89.8°F |
| Oct 6 | 91.6°F | 90.7°F |
| Oct 7 | 90.9°F | 90.1°F |
| Oct 8 | 89.1°F | 88.7°F |
| Oct 9 | 86.7°F | 86.7°F |
| Oct 10 | 79°F | 81.1°F |
| Oct 11 | 68.4°F | 69.3°F |
| Oct 12 | 66.2°F | 67.8°F |
| Oct 13 | 66.9°F | 67.6°F |
| Oct 14 | 67.5°F | 68.7°F |
| Oct 15 | 71.2°F | 72.3°F |
| Oct 16 | 75.7°F | 76.3°F |
| Oct 17 | 76.8°F | 77.4°F |
| Oct 18 | 75.7°F | 76.5°F |
| Oct 19 | 75.6°F | 76.1°F |
| Oct 20 | 75°F | 75.4°F |
| Oct 21 | 73.9°F | 74.5°F |
| Oct 22 | 68.9°F | 70.2°F |
| Oct 23 | 66.9°F | 67.8°F |
| Oct 24 | 66.7°F | 67.5°F |
| Oct 25 | 68°F | 69.1°F |