The official National Weather Service forecast for Watauga — 36.3707°N, 82.2968°W, 4.5 miles from I-26.
| Carter County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 44 | 49 | 57 | 66 | 73 | 80 | 82 | 82 | 77 | 67 | 57 | 48 | 65 |
| Avg low °F | 25 | 28 | 34 | 41 | 50 | 57 | 61 | 60 | 54 | 43 | 33 | 29 | 43 |
| Precip in | 4.1 | 3.9 | 3.9 | 4.4 | 4.9 | 4.4 | 5.6 | 4.4 | 3.8 | 3.2 | 3.3 | 4.0 | 49.9 |
1996–2025 normals for Carter County — the climate division Watauga sits in. All-time county record high 96.8°F (2012-06-30); record low -19.2°F (1985-01-22). Source: NOAA / National Weather Service.