The official National Weather Service forecast for Thorsby — 32.9157°N, 86.7158°W, 6.7 miles from I-65. Forecasts here are written by NWS BMX, this county’s forecast office.
| Chilton County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 56 | 61 | 69 | 76 | 83 | 89 | 91 | 91 | 86 | 77 | 66 | 59 | 75 |
| Avg low °F | 33 | 38 | 44 | 49 | 58 | 66 | 69 | 69 | 63 | 52 | 41 | 36 | 52 |
| Precip in | 5.6 | 5.5 | 5.9 | 4.9 | 4.5 | 4.7 | 5.0 | 4.2 | 3.4 | 3.0 | 3.9 | 5.0 | 55.6 |
1996–2025 normals for Chilton County — the climate division Thorsby sits in. All-time county record high 105.4°F (1952-07-25); record low -3.9°F (1985-01-21). Source: NOAA / National Weather Service.