The official National Weather Service forecast for Emigrant — 45.3702°N, 110.7335°W, 20.5 miles from I-90.
| Park County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 32 | 41 | 48 | 57 | 67 | 78 | 76 | 66 | 51 | 39 | 30 | 51 |
| Avg low °F | 14 | 12 | 19 | 25 | 33 | 40 | 47 | 45 | 39 | 29 | 20 | 14 | 28 |
| Precip in | 1.9 | 2.0 | 2.1 | 2.6 | 3.2 | 2.9 | 1.4 | 1.6 | 1.8 | 2.3 | 2.0 | 2.1 | 25.9 |
1996–2025 normals for Park County — the climate division Emigrant sits in. All-time county record high 95.8°F (2026-07-13); record low -37.6°F (1963-01-11). Source: NOAA / National Weather Service.