The official National Weather Service forecast for Cheshire — 38.9448°N, 82.1112°W, 20.3 miles from I-77.
| Gallia County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 41 | 46 | 56 | 67 | 75 | 83 | 86 | 85 | 79 | 68 | 56 | 46 | 66 |
| Avg low °F | 24 | 26 | 33 | 42 | 51 | 59 | 64 | 63 | 55 | 44 | 34 | 28 | 44 |
| Precip in | 3.2 | 3.3 | 3.9 | 3.9 | 4.6 | 4.3 | 4.8 | 3.4 | 3.6 | 3.0 | 2.8 | 3.5 | 44.3 |
1996–2025 normals for Gallia County — the climate division Cheshire sits in. All-time county record high 102.8°F (2012-07-08); record low -23.0°F (1994-01-20). Source: NOAA / National Weather Service.