The official National Weather Service forecast for Manchester — 32.8599°N, 84.6199°W, 23.1 miles from I-85. Forecasts here are written by NWS FFC, this county’s forecast office.
| Meriwether 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 | 84 | 75 | 66 | 58 | 74 |
| Avg low °F | 33 | 37 | 43 | 49 | 58 | 66 | 69 | 68 | 62 | 51 | 41 | 36 | 51 |
| Precip in | 4.7 | 4.7 | 5.0 | 4.4 | 3.7 | 4.3 | 4.7 | 4.0 | 3.6 | 2.8 | 3.6 | 4.9 | 50.4 |
1996–2025 normals for Meriwether County — the climate division Manchester sits in. All-time county record high 103.7°F (2012-07-01); record low -6.6°F (1985-01-21). Source: NOAA / National Weather Service.