The official National Weather Service forecast for Bowman — 46.1831°N, 103.3949°W, 48.9 miles from I-94.
| Bowman County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 29 | 31 | 43 | 55 | 65 | 77 | 86 | 84 | 75 | 57 | 43 | 31 | 56 |
| Avg low °F | 8 | 9 | 19 | 29 | 40 | 50 | 56 | 53 | 44 | 31 | 19 | 10 | 31 |
| Precip in | 0.4 | 0.4 | 0.7 | 1.5 | 2.8 | 2.8 | 1.9 | 1.6 | 1.4 | 1.4 | 0.4 | 0.5 | 15.8 |
1996–2025 normals for Bowman County — the climate division Bowman sits in. All-time county record high 109.6°F (2026-07-13); record low -36.7°F (1989-12-22). Source: NOAA / National Weather Service.