The official National Weather Service forecast for Mullins — 34.2057°N, 79.2545°W, population 4,924, 17.8 miles from I-95. Forecasts here are written by NWS ILM, this county’s forecast office.
| Marion County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 57 | 61 | 68 | 76 | 83 | 89 | 91 | 90 | 85 | 77 | 67 | 60 | 75 |
| Avg low °F | 35 | 38 | 43 | 51 | 59 | 68 | 71 | 70 | 65 | 53 | 43 | 37 | 53 |
| Precip in | 3.1 | 3.3 | 3.5 | 3.3 | 3.8 | 4.8 | 5.5 | 6.2 | 5.4 | 3.4 | 2.8 | 3.5 | 48.6 |
1996–2025 normals for Marion County — the climate division Mullins sits in. All-time county record high 104.6°F (2007-08-11); record low 1.7°F (1985-01-21). Source: NOAA / National Weather Service.