The official National Weather Service forecast for Bryson City — 35.4313°N, 83.4494°W, 27.7 miles from I-40. Forecasts here are written by NWS GSP, this county’s forecast office.
| Swain County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 44 | 48 | 55 | 64 | 71 | 76 | 79 | 78 | 74 | 65 | 55 | 47 | 63 |
| Avg low °F | 24 | 28 | 33 | 40 | 48 | 55 | 59 | 58 | 53 | 43 | 33 | 28 | 42 |
| Precip in | 6.1 | 5.7 | 5.6 | 5.3 | 5.1 | 5.5 | 5.7 | 4.6 | 4.7 | 4.1 | 4.5 | 5.9 | 62.8 |
1996–2025 normals for Swain County — the climate division Bryson City sits in. All-time county record high 93.6°F (2012-07-01); record low -22.9°F (1985-01-21). Source: NOAA / National Weather Service.