The official National Weather Service forecast for Lanesville — 38.237°N, 85.9858°W, 2.5 miles from I-64. Forecasts here are written by NWS LMK, this county’s forecast office.
| Harrison County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 47 | 57 | 68 | 77 | 85 | 87 | 87 | 81 | 69 | 57 | 46 | 67 |
| Avg low °F | 24 | 27 | 35 | 44 | 54 | 62 | 66 | 64 | 57 | 45 | 35 | 29 | 45 |
| Precip in | 3.9 | 3.8 | 4.8 | 5.5 | 5.2 | 4.3 | 4.7 | 3.2 | 4.0 | 3.6 | 3.7 | 4.2 | 50.9 |
1996–2025 normals for Harrison County — the climate division Lanesville sits in. All-time county record high 105.0°F (2012-06-30); record low -20.6°F (1994-01-19). Source: NOAA / National Weather Service.