The official National Weather Service forecast for Indian Trail — 35.0768°N, 80.6692°W, 5.1 miles from I-485. Forecasts here are written by NWS GSP, this county’s forecast office.
| Union County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 53 | 58 | 65 | 74 | 81 | 88 | 91 | 89 | 83 | 74 | 64 | 56 | 73 |
| Avg low °F | 31 | 35 | 41 | 48 | 57 | 65 | 69 | 68 | 62 | 50 | 39 | 34 | 50 |
| Precip in | 3.6 | 3.0 | 3.5 | 3.3 | 3.8 | 3.8 | 4.2 | 4.1 | 4.0 | 2.9 | 2.9 | 3.6 | 42.7 |
1996–2025 normals for Union County — the climate division Indian Trail sits in. All-time county record high 105.8°F (1983-08-22); record low -3.1°F (1985-01-21). Source: NOAA / National Weather Service.