The official National Weather Service forecast for Ten Sleep — 44.0341°N, 107.4512°W, 40.4 miles from I-25.
| Washakie County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 36 | 48 | 56 | 65 | 78 | 87 | 84 | 74 | 58 | 45 | 34 | 58 |
| Avg low °F | 11 | 13 | 23 | 30 | 40 | 49 | 56 | 53 | 44 | 32 | 21 | 12 | 32 |
| Precip in | 0.5 | 0.6 | 0.9 | 1.5 | 2.3 | 1.3 | 0.7 | 0.7 | 1.2 | 1.4 | 0.6 | 0.6 | 12.3 |
1996–2025 normals for Washakie County — the climate division Ten Sleep sits in. All-time county record high 103.6°F (2026-07-13); record low -36.4°F (1990-12-21). Source: NOAA / National Weather Service.