The official National Weather Service forecast for Hayneville — 32.184°N, 86.5803°W, 10.2 miles from I-65. Forecasts here are written by NWS BMX, this county’s forecast office.
| Lowndes County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 59 | 64 | 71 | 78 | 85 | 90 | 92 | 92 | 88 | 79 | 69 | 61 | 77 |
| Avg low °F | 36 | 40 | 46 | 52 | 61 | 68 | 71 | 71 | 65 | 54 | 43 | 39 | 54 |
| Precip in | 4.9 | 4.8 | 5.4 | 4.4 | 4.4 | 4.9 | 4.7 | 4.3 | 3.9 | 2.8 | 3.5 | 4.8 | 52.8 |
1996–2025 normals for Lowndes County — the climate division Hayneville sits in. All-time county record high 104.1°F (1952-07-25); record low 0.3°F (1985-01-21). Source: NOAA / National Weather Service.