The official National Weather Service forecast for Wolsey — 44.4078°N, 98.4748°W, 49 miles from I-90.
| Beadle County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 25 | 30 | 43 | 58 | 70 | 81 | 86 | 83 | 76 | 61 | 45 | 30 | 57 |
| Avg low °F | 6 | 9 | 22 | 33 | 45 | 56 | 62 | 59 | 50 | 36 | 23 | 11 | 34 |
| Precip in | 0.5 | 0.6 | 1.0 | 2.3 | 3.2 | 3.6 | 2.9 | 2.9 | 2.3 | 2.1 | 0.7 | 0.7 | 22.8 |
1996–2025 normals for Beadle County — the climate division Wolsey sits in. All-time county record high 109.3°F (2006-07-16); record low -36.8°F (1994-02-09). Source: NOAA / National Weather Service.