The official National Weather Service forecast for Sublette — 37.4817°N, 100.8438°W, 112.7 miles from I-70.
| Haskell County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 46 | 50 | 60 | 69 | 79 | 89 | 93 | 91 | 85 | 72 | 59 | 48 | 70 |
| Avg low °F | 19 | 21 | 30 | 38 | 50 | 60 | 65 | 63 | 55 | 42 | 29 | 20 | 41 |
| Precip in | 0.4 | 0.4 | 1.1 | 1.6 | 2.4 | 3.0 | 3.1 | 2.7 | 1.5 | 1.7 | 0.6 | 0.6 | 19.1 |
1996–2025 normals for Haskell County — the climate division Sublette sits in. All-time county record high 110.4°F (2012-06-28); record low -19.4°F (1959-01-04). Source: NOAA / National Weather Service.