The official National Weather Service forecast for Circle — 47.4167°N, 105.5922°W, 44.3 miles from I-94.
| McCone County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 26 | 30 | 43 | 57 | 67 | 77 | 87 | 85 | 74 | 58 | 42 | 29 | 56 |
| Avg low °F | 5 | 8 | 19 | 30 | 40 | 50 | 56 | 54 | 44 | 31 | 19 | 8 | 30 |
| Precip in | 0.3 | 0.3 | 0.4 | 1.0 | 2.6 | 2.6 | 2.0 | 1.3 | 1.1 | 1.0 | 0.3 | 0.3 | 13.2 |
1996–2025 normals for McCone County — the climate division Circle sits in. All-time county record high 110.9°F (2026-07-13); record low -46.6°F (1954-01-20). Source: NOAA / National Weather Service.