The official National Weather Service forecast for Boone — 36.2168°N, 81.6745°W, population 26,306, 34.3 miles from I-40. Forecasts here are written by NWS RNK, this county’s forecast office.
| Watauga County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 41 | 46 | 53 | 62 | 69 | 76 | 79 | 77 | 72 | 63 | 53 | 46 | 61 |
| Avg low °F | 23 | 27 | 32 | 39 | 47 | 55 | 59 | 58 | 52 | 42 | 32 | 27 | 41 |
| Precip in | 4.2 | 3.6 | 4.2 | 5.0 | 5.4 | 4.7 | 5.5 | 5.0 | 5.6 | 4.1 | 3.9 | 4.3 | 55.5 |
1996–2025 normals for Watauga County — the climate division Boone sits in. All-time county record high 91.8°F (2012-07-01); record low -22.7°F (1985-01-21). Source: NOAA / National Weather Service.