The official National Weather Service forecast for Bishopville — 34.2182°N, 80.2484°W, 2.7 miles from I-20. Forecasts here are written by NWS CAE, this county’s forecast office.
| Lee County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 56 | 61 | 68 | 76 | 82 | 89 | 91 | 89 | 85 | 76 | 67 | 59 | 75 |
| Avg low °F | 34 | 37 | 43 | 50 | 59 | 67 | 70 | 70 | 64 | 52 | 42 | 36 | 52 |
| Precip in | 3.5 | 3.3 | 3.5 | 3.3 | 3.8 | 4.4 | 4.9 | 5.2 | 4.5 | 3.1 | 2.6 | 3.6 | 45.7 |
1996–2025 normals for Lee County — the climate division Bishopville sits in. All-time county record high 105.9°F (1983-08-22); record low 1.4°F (1985-01-21). Source: NOAA / National Weather Service.