The official National Weather Service forecast for Gibson — 33.2335°N, 82.5954°W, 18.2 miles from I-20. Forecasts here are written by NWS FFC, this county’s forecast office.
| Glascock County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 57 | 62 | 69 | 76 | 83 | 89 | 92 | 90 | 85 | 77 | 67 | 60 | 76 |
| Avg low °F | 35 | 38 | 44 | 50 | 59 | 66 | 70 | 69 | 63 | 52 | 42 | 37 | 52 |
| Precip in | 4.0 | 4.0 | 4.2 | 3.4 | 3.6 | 4.1 | 4.2 | 4.6 | 4.1 | 2.5 | 2.9 | 4.4 | 46.0 |
1996–2025 normals for Glascock County — the climate division Gibson sits in. All-time county record high 107.6°F (2012-07-01); record low -2.9°F (1985-01-21). Source: NOAA / National Weather Service.