The official National Weather Service forecast for Buena Vista — 32.319°N, 84.5171°W, 24.5 miles from I-185. Forecasts here are written by NWS FFC, this county’s forecast office.
| Marion County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 59 | 63 | 70 | 77 | 84 | 89 | 91 | 90 | 86 | 77 | 68 | 61 | 76 |
| Avg low °F | 35 | 39 | 44 | 50 | 59 | 66 | 70 | 69 | 64 | 53 | 43 | 38 | 52 |
| Precip in | 4.4 | 4.4 | 4.6 | 4.4 | 3.5 | 4.4 | 5.0 | 4.5 | 4.0 | 2.6 | 3.3 | 5.2 | 50.3 |
1996–2025 normals for Marion County — the climate division Buena Vista sits in. All-time county record high 103.4°F (2012-07-01); record low -3.0°F (1985-01-21). Source: NOAA / National Weather Service.