The official National Weather Service forecast for Manning — 33.6952°N, 80.2109°W, population 4,522, 2.3 miles from I-95. Forecasts here are written by NWS CAE, this county’s forecast office.
| Clarendon County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 58 | 62 | 69 | 77 | 84 | 89 | 92 | 90 | 85 | 77 | 68 | 61 | 76 |
| Avg low °F | 35 | 38 | 44 | 51 | 59 | 68 | 71 | 70 | 65 | 53 | 43 | 38 | 53 |
| Precip in | 3.2 | 3.4 | 3.5 | 3.4 | 3.8 | 4.8 | 5.1 | 5.4 | 4.7 | 3.6 | 2.7 | 3.6 | 47.2 |
1996–2025 normals for Clarendon County — the climate division Manning sits in. All-time county record high 105.3°F (1986-07-20); record low 3.8°F (1985-01-21). Source: NOAA / National Weather Service.