The official National Weather Service forecast for Franklin — 35.1823°N, 83.3815°W, population 9,358, 35.4 miles from I-40. Forecasts here are written by NWS GSP, this county’s forecast office.
| Macon County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 46 | 51 | 58 | 66 | 73 | 79 | 81 | 80 | 75 | 66 | 57 | 50 | 65 |
| Avg low °F | 26 | 29 | 34 | 41 | 49 | 56 | 60 | 59 | 54 | 43 | 34 | 29 | 43 |
| Precip in | 6.4 | 5.6 | 5.6 | 5.4 | 5.3 | 5.0 | 5.3 | 4.7 | 4.6 | 4.5 | 4.6 | 6.6 | 63.6 |
1996–2025 normals for Macon County — the climate division Franklin sits in. All-time county record high 94.5°F (2012-07-01); record low -19.0°F (1985-01-21). Source: NOAA / National Weather Service.