The official National Weather Service forecast for Hamlin — 38.2787°N, 82.1029°W, 9.8 miles from I-64.
| Lincoln County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 44 | 49 | 58 | 70 | 77 | 84 | 87 | 86 | 81 | 70 | 58 | 48 | 68 |
| Avg low °F | 25 | 28 | 34 | 43 | 52 | 61 | 65 | 64 | 57 | 46 | 35 | 29 | 45 |
| Precip in | 3.5 | 3.6 | 3.9 | 4.0 | 4.9 | 4.4 | 5.4 | 3.8 | 3.2 | 3.2 | 3.0 | 3.7 | 46.6 |
1996–2025 normals for Lincoln County — the climate division Hamlin sits in. All-time county record high 102.5°F (2012-06-30); record low -19.1°F (1994-01-19). Source: NOAA / National Weather Service.