The official National Weather Service forecast for North Vernon — 39.0062°N, 85.6236°W, population 6,936, 11.9 miles from I-65. Forecasts here are written by NWS IND, this county’s forecast office.
| Jennings County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 39 | 44 | 55 | 66 | 75 | 83 | 86 | 85 | 80 | 68 | 55 | 44 | 65 |
| Avg low °F | 23 | 25 | 34 | 43 | 53 | 61 | 65 | 63 | 56 | 45 | 34 | 27 | 44 |
| Precip in | 3.5 | 3.2 | 4.3 | 4.9 | 5.3 | 5.2 | 4.5 | 3.5 | 3.4 | 3.3 | 3.4 | 3.8 | 48.3 |
1996–2025 normals for Jennings County — the climate division North Vernon sits in. All-time county record high 103.5°F (2012-06-29); record low -22.3°F (1994-01-19). Source: NOAA / National Weather Service.