The official National Weather Service forecast for Cavalier — 48.7939°N, 97.6223°W, 17.9 miles from I-29.
| Pembina County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 14 | 19 | 32 | 51 | 66 | 76 | 81 | 79 | 70 | 54 | 35 | 20 | 50 |
| Avg low °F | -2 | 1 | 14 | 29 | 42 | 54 | 58 | 55 | 47 | 34 | 20 | 5 | 30 |
| Precip in | 0.7 | 0.5 | 0.8 | 1.2 | 3.0 | 3.6 | 3.0 | 2.4 | 2.3 | 1.8 | 0.8 | 0.8 | 20.9 |
1996–2025 normals for Pembina County — the climate division Cavalier sits in. All-time county record high 101.9°F (2021-06-05); record low -40.1°F (1966-02-18). Source: NOAA / National Weather Service.