The official National Weather Service forecast for New Lexington — 39.714°N, 82.2085°W, population 4,602, 15.8 miles from I-70.
| Perry County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 37 | 42 | 52 | 65 | 73 | 81 | 84 | 83 | 77 | 66 | 53 | 42 | 63 |
| Avg low °F | 21 | 23 | 31 | 40 | 49 | 58 | 62 | 61 | 54 | 43 | 32 | 26 | 42 |
| Precip in | 3.1 | 2.8 | 3.6 | 4.1 | 4.5 | 4.7 | 4.4 | 3.6 | 3.3 | 3.1 | 2.9 | 3.3 | 43.4 |
1996–2025 normals for Perry County — the climate division New Lexington sits in. All-time county record high 100.5°F (2012-07-08); record low -27.5°F (1994-01-19). Source: NOAA / National Weather Service.