The official National Weather Service forecast for Ness City — 38.4528°N, 99.9065°W, 38.3 miles from I-70.
| Ness County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 44 | 48 | 59 | 68 | 77 | 89 | 93 | 91 | 84 | 70 | 57 | 46 | 69 |
| Avg low °F | 19 | 21 | 30 | 39 | 49 | 61 | 66 | 64 | 56 | 42 | 30 | 21 | 42 |
| Precip in | 0.5 | 0.6 | 1.3 | 1.8 | 3.1 | 3.1 | 3.2 | 3.0 | 1.9 | 1.7 | 0.7 | 0.7 | 21.6 |
1996–2025 normals for Ness County — the climate division Ness City sits in. All-time county record high 111.8°F (2012-06-28); record low -21.0°F (1989-12-22). Source: NOAA / National Weather Service.