The official National Weather Service forecast for Bostic — 35.3626°N, 81.8357°W, 20.9 miles from I-40. Forecasts here are written by NWS GSP, this county’s forecast office.
| Rutherford County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 51 | 56 | 63 | 72 | 79 | 86 | 89 | 87 | 82 | 72 | 62 | 54 | 71 |
| Avg low °F | 29 | 33 | 39 | 46 | 54 | 63 | 67 | 66 | 60 | 48 | 37 | 32 | 48 |
| Precip in | 4.1 | 3.5 | 4.2 | 4.3 | 4.4 | 4.1 | 4.6 | 4.4 | 4.6 | 3.4 | 3.5 | 4.6 | 49.7 |
1996–2025 normals for Rutherford County — the climate division Bostic sits in. All-time county record high 102.6°F (1952-07-29); record low -6.7°F (1985-01-22). Source: NOAA / National Weather Service.