The official National Weather Service forecast for Corydon — 40.757°N, 93.3188°W, 26.1 miles from I-35.
| Wayne County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 38 | 51 | 63 | 72 | 82 | 86 | 84 | 78 | 65 | 51 | 38 | 62 |
| Avg low °F | 14 | 18 | 29 | 40 | 50 | 60 | 65 | 62 | 54 | 42 | 30 | 20 | 40 |
| Precip in | 1.2 | 1.4 | 2.2 | 3.5 | 5.2 | 5.2 | 4.0 | 4.3 | 3.4 | 3.2 | 1.9 | 1.6 | 37.1 |
1996–2025 normals for Wayne County — the climate division Corydon sits in. All-time county record high 104.1°F (1983-08-17); record low -27.2°F (1996-02-03). Source: NOAA / National Weather Service.