The official National Weather Service forecast for Corning — 40.99°N, 94.7408°W, 35.1 miles from I-80.
| Adams County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 32 | 37 | 50 | 62 | 72 | 82 | 85 | 83 | 78 | 65 | 50 | 37 | 61 |
| Avg low °F | 13 | 16 | 28 | 38 | 50 | 60 | 64 | 61 | 53 | 41 | 29 | 18 | 39 |
| Precip in | 0.9 | 1.2 | 2.0 | 3.4 | 5.3 | 5.0 | 3.7 | 4.2 | 3.2 | 3.0 | 1.7 | 1.3 | 34.9 |
1996–2025 normals for Adams County — the climate division Corning sits in. All-time county record high 104.3°F (1974-07-22); record low -27.8°F (1974-01-12). Source: NOAA / National Weather Service.