The official National Weather Service forecast for Greene — 42.8958°N, 92.8024°W, 27.8 miles from I-35.
| Butler County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 26 | 31 | 44 | 59 | 71 | 80 | 83 | 81 | 76 | 62 | 46 | 32 | 58 |
| Avg low °F | 10 | 13 | 25 | 36 | 48 | 59 | 62 | 59 | 52 | 39 | 27 | 16 | 37 |
| Precip in | 1.0 | 1.1 | 2.0 | 3.8 | 5.0 | 5.7 | 4.3 | 4.1 | 3.2 | 2.7 | 1.6 | 1.4 | 35.9 |
1996–2025 normals for Butler County — the climate division Greene sits in. All-time county record high 103.3°F (1988-08-18); record low -29.5°F (1962-03-01). Source: NOAA / National Weather Service.