The official National Weather Service forecast for Ardoch — 48.2072°N, 97.3423°W, 7.1 miles from I-29.
| Walsh County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 15 | 19 | 33 | 51 | 66 | 76 | 81 | 79 | 70 | 54 | 35 | 20 | 50 |
| Avg low °F | -1 | 1 | 14 | 29 | 42 | 54 | 58 | 55 | 47 | 34 | 19 | 5 | 30 |
| Precip in | 0.6 | 0.5 | 0.8 | 1.3 | 3.0 | 3.6 | 3.2 | 2.5 | 2.2 | 1.8 | 0.8 | 0.8 | 21.1 |
1996–2025 normals for Walsh County — the climate division Ardoch sits in. All-time county record high 102.4°F (2021-06-05); record low -39.7°F (1996-02-01). Source: NOAA / National Weather Service.