The official National Weather Service forecast for Manning — 41.9091°N, 95.065°W, 28.8 miles from I-80.
| Carroll County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 33 | 47 | 61 | 71 | 82 | 84 | 82 | 77 | 64 | 48 | 34 | 59 |
| Avg low °F | 11 | 14 | 26 | 37 | 48 | 59 | 63 | 60 | 52 | 40 | 27 | 16 | 38 |
| Precip in | 0.8 | 1.1 | 1.9 | 3.3 | 4.8 | 5.1 | 3.9 | 4.2 | 2.9 | 2.6 | 1.5 | 1.2 | 33.3 |
1996–2025 normals for Carroll County — the climate division Manning sits in. All-time county record high 103.6°F (1955-07-31); record low -27.2°F (1974-01-12). Source: NOAA / National Weather Service.