The official National Weather Service forecast for Marionville — 37.0031°N, 93.6374°W, 11.5 miles from I-44. Forecasts here are written by NWS SGF, this county’s forecast office.
| Lawrence County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 44 | 49 | 59 | 68 | 76 | 85 | 89 | 88 | 82 | 70 | 58 | 48 | 68 |
| Avg low °F | 24 | 27 | 36 | 45 | 54 | 63 | 67 | 66 | 58 | 46 | 36 | 28 | 46 |
| Precip in | 2.4 | 2.3 | 4.1 | 4.7 | 6.6 | 4.6 | 3.8 | 3.4 | 3.9 | 4.0 | 3.2 | 2.6 | 45.6 |
1996–2025 normals for Lawrence County — the climate division Marionville sits in. All-time county record high 112.2°F (1954-07-14); record low -15.4°F (1985-01-20). Source: NOAA / National Weather Service.