The official National Weather Service forecast for Coal Grove — 38.5034°N, 82.6471°W, 53.2 miles from I-77.
| Lawrence County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 47 | 57 | 68 | 76 | 83 | 86 | 85 | 80 | 69 | 56 | 46 | 66 |
| Avg low °F | 24 | 27 | 34 | 42 | 51 | 60 | 64 | 63 | 56 | 44 | 34 | 28 | 44 |
| Precip in | 3.2 | 3.4 | 3.9 | 4.0 | 4.6 | 4.2 | 4.9 | 3.6 | 3.5 | 3.0 | 2.8 | 3.6 | 44.7 |
1996–2025 normals for Lawrence County — the climate division Coal Grove sits in. All-time county record high 102.8°F (2012-07-08); record low -21.4°F (1994-01-19). Source: NOAA / National Weather Service.