The official National Weather Service forecast for Ocilla — 31.5945°N, 83.2513°W, 16.5 miles from I-75. Forecasts here are written by NWS TAE, this county’s forecast office.
| Irwin County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 61 | 65 | 72 | 78 | 85 | 90 | 92 | 91 | 87 | 79 | 70 | 63 | 78 |
| Avg low °F | 38 | 42 | 47 | 53 | 61 | 69 | 71 | 71 | 66 | 55 | 45 | 41 | 55 |
| Precip in | 3.8 | 4.1 | 4.3 | 3.7 | 3.2 | 5.0 | 4.7 | 5.1 | 4.3 | 2.5 | 2.5 | 4.1 | 47.3 |
1996–2025 normals for Irwin County — the climate division Ocilla sits in. All-time county record high 102.5°F (1986-07-21); record low 1.1°F (1985-01-21). Source: NOAA / National Weather Service.