The official National Weather Service forecast for Hartville — 40.9637°N, 81.3312°W, 5.8 miles from I-77.
| Stark County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 39 | 49 | 61 | 72 | 80 | 83 | 82 | 76 | 64 | 51 | 40 | 61 |
| Avg low °F | 20 | 22 | 29 | 39 | 49 | 58 | 62 | 60 | 53 | 43 | 33 | 26 | 41 |
| Precip in | 2.8 | 2.5 | 3.2 | 3.7 | 4.1 | 4.7 | 4.2 | 3.6 | 3.4 | 3.2 | 2.6 | 2.9 | 40.9 |
1996–2025 normals for Stark County — the climate division Hartville sits in. All-time county record high 99.7°F (1988-07-08); record low -24.3°F (1994-01-19). Source: NOAA / National Weather Service.