The official National Weather Service forecast for Lucas — 40.7051°N, 82.4182°W, 5.6 miles from I-71.
| Richland County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 38 | 48 | 61 | 71 | 80 | 83 | 81 | 76 | 63 | 50 | 39 | 60 |
| Avg low °F | 18 | 20 | 28 | 38 | 48 | 57 | 61 | 59 | 52 | 42 | 32 | 24 | 40 |
| Precip in | 2.9 | 2.6 | 3.0 | 3.7 | 4.4 | 4.6 | 3.9 | 3.5 | 3.4 | 3.2 | 2.7 | 3.1 | 41.0 |
1996–2025 normals for Richland County — the climate division Lucas sits in. All-time county record high 99.9°F (1988-06-26); record low -25.6°F (1994-01-19). Source: NOAA / National Weather Service.