The official National Weather Service forecast for Pine Ridge — 43.0255°N, 102.5563°W, 65.2 miles from I-90.
| Oglala Lakota County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 37 | 39 | 50 | 59 | 69 | 81 | 89 | 87 | 79 | 63 | 50 | 39 | 62 |
| Avg low °F | 14 | 16 | 25 | 32 | 43 | 54 | 60 | 58 | 49 | 35 | 24 | 15 | 35 |
| Precip in | 0.4 | 0.6 | 1.1 | 2.2 | 3.3 | 2.9 | 2.1 | 1.9 | 1.5 | 1.5 | 0.6 | 0.5 | 18.6 |
1996–2025 normals for Oglala Lakota County — the climate division Pine Ridge sits in. All-time county record high 109.2°F (2006-07-16); record low -35.6°F (1989-12-22). Source: NOAA / National Weather Service.