The official National Weather Service forecast for Carrington — 47.4497°N, 99.1262°W, 38.7 miles from I-94.
| Foster County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 18 | 22 | 35 | 52 | 66 | 76 | 82 | 80 | 71 | 55 | 38 | 23 | 52 |
| Avg low °F | 0 | 3 | 15 | 28 | 41 | 53 | 58 | 55 | 46 | 33 | 19 | 6 | 30 |
| Precip in | 0.4 | 0.4 | 0.7 | 1.3 | 2.8 | 3.4 | 3.0 | 2.5 | 1.9 | 1.6 | 0.6 | 0.7 | 19.3 |
1996–2025 normals for Foster County — the climate division Carrington sits in. All-time county record high 104.5°F (1983-08-08); record low -37.6°F (1951-01-29). Source: NOAA / National Weather Service.