The official National Weather Service forecast for Belton — 34.5229°N, 82.4943°W, population 5,301, 9.8 miles from I-85. Forecasts here are written by NWS GSP, this county’s forecast office.
| Anderson County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 53 | 58 | 65 | 74 | 81 | 87 | 90 | 89 | 83 | 74 | 64 | 56 | 73 |
| Avg low °F | 33 | 36 | 42 | 49 | 58 | 66 | 70 | 69 | 62 | 51 | 41 | 36 | 51 |
| Precip in | 4.4 | 4.0 | 4.4 | 3.8 | 4.0 | 4.0 | 4.1 | 3.9 | 3.7 | 3.2 | 3.3 | 4.5 | 47.3 |
1996–2025 normals for Anderson County — the climate division Belton sits in. All-time county record high 104.7°F (2012-07-02); record low -2.9°F (1985-01-22). Source: NOAA / National Weather Service.