The official National Weather Service forecast for Antimony — 38.1169°N, 111.9996°W, 33.5 miles from I-15. Forecasts here are written by NWS SLC, this county’s forecast office.
| Garfield County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 40 | 44 | 52 | 60 | 70 | 82 | 87 | 83 | 76 | 63 | 50 | 40 | 62 |
| Avg low °F | 19 | 21 | 28 | 33 | 42 | 52 | 59 | 56 | 48 | 37 | 27 | 19 | 37 |
| Precip in | 1.0 | 1.1 | 1.1 | 0.8 | 0.7 | 0.4 | 1.4 | 1.6 | 1.4 | 1.4 | 0.8 | 1.0 | 12.7 |
1996–2025 normals for Garfield County — the climate division Antimony sits in. All-time county record high 98.6°F (2021-07-10); record low -18.6°F (1963-01-13). Source: NOAA / National Weather Service.