The official National Weather Service forecast for Crosby — 48.9142°N, 103.2949°W, 136.8 miles from I-94.
| Divide County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 19 | 23 | 36 | 53 | 66 | 74 | 81 | 81 | 71 | 54 | 36 | 23 | 51 |
| Avg low °F | 1 | 2 | 15 | 28 | 39 | 50 | 55 | 53 | 43 | 30 | 17 | 5 | 28 |
| Precip in | 0.5 | 0.4 | 0.5 | 1.0 | 2.5 | 3.1 | 2.3 | 1.5 | 1.4 | 1.1 | 0.6 | 0.6 | 15.5 |
1996–2025 normals for Divide County — the climate division Crosby sits in. All-time county record high 104.5°F (2007-07-25); record low -43.6°F (1954-01-20). Source: NOAA / National Weather Service.