The official National Weather Service forecast for Salem — 40.9009°N, 80.8568°W, population 15,924, 12.3 miles from I-76.
| Columbiana County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 39 | 49 | 61 | 71 | 79 | 83 | 81 | 76 | 63 | 51 | 40 | 61 |
| Avg low °F | 20 | 22 | 29 | 38 | 48 | 57 | 61 | 59 | 53 | 42 | 33 | 26 | 41 |
| Precip in | 3.0 | 2.5 | 3.2 | 3.9 | 4.2 | 4.6 | 4.0 | 3.8 | 3.6 | 3.3 | 2.6 | 2.9 | 41.6 |
1996–2025 normals for Columbiana County — the climate division Salem sits in. All-time county record high 99.3°F (1988-07-08); record low -22.8°F (1994-01-19). Source: NOAA / National Weather Service.