Average Soil Temperature in Issaquah, WA — July 2025
Data from Darrington 21 NNE (76.6 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
67.4°F
avg
64.8°F – 70.3°F
31 days
4" depth
66.8°F
avg
64.2°F – 69.1°F
31 days
8" depth
65.1°F
avg
63°F – 66.9°F
31 days
20" depth
63.4°F
avg
61.2°F – 64.9°F
31 days
40" depth
62.1°F
avg
59.9°F – 63.5°F
31 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Jul 1 | 66.9°F | 65.8°F | 63.3°F | 61.2°F | 59.9°F |
| Jul 2 | 65.5°F | 64.9°F | 63.3°F | 61.5°F | 60.3°F |
| Jul 3 | 65.5°F | 64.9°F | 63.3°F | 61.5°F | 60.3°F |
| Jul 4 | 64.8°F | 64.2°F | 63°F | 61.3°F | 60.3°F |
| Jul 5 | 65.7°F | 65.1°F | 63.5°F | 61.7°F | 60.4°F |
| Jul 6 | 65.3°F | 64.8°F | 63.3°F | 61.7°F | 60.4°F |
| Jul 7 | 66.6°F | 65.8°F | 63.7°F | 61.9°F | 60.6°F |
| Jul 8 | 67.8°F | 66.7°F | 64.4°F | 62.4°F | 61°F |
| Jul 9 | 66°F | 65.8°F | 64.6°F | 62.8°F | 61.3°F |
| Jul 10 | 65.3°F | 64.9°F | 63.9°F | 62.2°F | 61.2°F |
| Jul 11 | 66.6°F | 65.7°F | 63.9°F | 62.2°F | 61.2°F |
| Jul 12 | 69.1°F | 67.8°F | 64.9°F | 62.8°F | 61.5°F |
| Jul 13 | 70.3°F | 69.1°F | 66°F | 63.7°F | 62.1°F |
| Jul 14 | 68.5°F | 68°F | 66.2°F | 64°F | 62.6°F |
| Jul 15 | 68.4°F | 67.6°F | 65.7°F | 63.9°F | 62.4°F |
| Jul 16 | 69.6°F | 68.7°F | 66.2°F | 64°F | 62.8°F |
| Jul 17 | 69.8°F | 69.1°F | 66.7°F | 64.6°F | 63°F |
| Jul 18 | 66.9°F | 66.9°F | 66.4°F | 64.6°F | 63.1°F |
| Jul 19 | 65.8°F | 65.8°F | 65.3°F | 63.9°F | 62.8°F |
| Jul 20 | 67.1°F | 66.6°F | 65.1°F | 63.5°F | 62.6°F |
| Jul 21 | 68.5°F | 67.6°F | 65.8°F | 63.9°F | 62.8°F |
| Jul 22 | 69.8°F | 68.9°F | 66.6°F | 64.4°F | 63°F |
| Jul 23 | 69.1°F | 68.4°F | 66.6°F | 64.8°F | 63.3°F |
| Jul 24 | 69.3°F | 68.7°F | 66.9°F | 64.9°F | 63.5°F |
| Jul 25 | 67.3°F | 67.3°F | 66.6°F | 64.8°F | 63.5°F |
| Jul 26 | 66.9°F | 66.7°F | 65.8°F | 64.4°F | 63.3°F |
| Jul 27 | 66.2°F | 66.2°F | 65.7°F | 64.2°F | 63.1°F |
| Jul 28 | 66.4°F | 66.2°F | 65.3°F | 63.9°F | 62.8°F |
| Jul 29 | 67.3°F | 66.9°F | 65.7°F | 64°F | 63°F |
| Jul 30 | 68.4°F | 67.8°F | 65.5°F | 64.4°F | 63.1°F |
| Jul 31 | 68.7°F | 68°F | 65.8°F | 64.8°F | 63.5°F |