The official National Weather Service forecast for New Cumberland — 40.4967°N, 80.6067°W, 26.9 miles from I-70.
| Hancock County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 36 | 40 | 50 | 62 | 72 | 80 | 83 | 82 | 76 | 64 | 51 | 41 | 61 |
| Avg low °F | 21 | 23 | 30 | 39 | 49 | 58 | 62 | 61 | 54 | 44 | 34 | 26 | 42 |
| Precip in | 3.1 | 2.7 | 3.2 | 3.9 | 4.3 | 4.5 | 4.0 | 3.9 | 3.5 | 3.1 | 2.7 | 3.1 | 42.0 |
1996–2025 normals for Hancock County — the climate division New Cumberland sits in. All-time county record high 99.9°F (1988-07-08); record low -21.0°F (1994-01-19). Source: NOAA / National Weather Service.