The official National Weather Service forecast for Artas — 45.888°N, 99.8065°W, 136.8 miles from I-29.
| Campbell County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 24 | 27 | 41 | 55 | 68 | 78 | 85 | 83 | 74 | 58 | 41 | 28 | 55 |
| Avg low °F | 5 | 7 | 19 | 30 | 42 | 54 | 59 | 57 | 48 | 34 | 21 | 9 | 32 |
| Precip in | 0.4 | 0.5 | 0.7 | 1.5 | 2.9 | 3.2 | 2.6 | 2.3 | 1.9 | 1.6 | 0.5 | 0.6 | 18.7 |
1996–2025 normals for Campbell County — the climate division Artas sits in. All-time county record high 109.5°F (1973-07-12); record low -37.6°F (1967-12-31). Source: NOAA / National Weather Service.