The official National Weather Service forecast for Lanett — 32.8687°N, 85.1905°W, 1.2 miles from I-85. Forecasts here are written by NWS BMX, this county’s forecast office.
| Chambers County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 56 | 61 | 68 | 75 | 82 | 88 | 90 | 89 | 85 | 76 | 66 | 58 | 74 |
| Avg low °F | 32 | 36 | 42 | 48 | 57 | 65 | 69 | 68 | 62 | 50 | 40 | 35 | 50 |
| Precip in | 5.1 | 4.9 | 5.4 | 4.7 | 4.2 | 4.7 | 4.7 | 4.0 | 3.6 | 3.1 | 3.7 | 5.4 | 53.5 |
1996–2025 normals for Chambers County — the climate division Lanett sits in. All-time county record high 103.7°F (1952-07-24); record low -5.8°F (1985-01-21). Source: NOAA / National Weather Service.