The official National Weather Service forecast for Marion — 32.6324°N, 87.3192°W, 36.6 miles from I-20. Forecasts here are written by NWS BMX, this county’s forecast office.
| Perry County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 57 | 61 | 69 | 76 | 83 | 89 | 91 | 91 | 87 | 78 | 67 | 59 | 76 |
| Avg low °F | 34 | 39 | 45 | 51 | 60 | 68 | 71 | 70 | 65 | 53 | 42 | 37 | 53 |
| Precip in | 5.1 | 5.3 | 5.5 | 4.7 | 4.2 | 4.8 | 4.5 | 4.1 | 3.6 | 2.8 | 3.7 | 4.7 | 53.0 |
1996–2025 normals for Perry County — the climate division Marion sits in. All-time county record high 104.2°F (1952-07-25); record low -1.5°F (1985-01-21). Source: NOAA / National Weather Service.