The official National Weather Service forecast for Collinwood — 35.1743°N, 87.7378°W, 48.1 miles from I-65.
| Wayne County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 50 | 54 | 63 | 72 | 79 | 86 | 89 | 89 | 83 | 73 | 62 | 53 | 71 |
| Avg low °F | 29 | 33 | 39 | 46 | 56 | 64 | 67 | 66 | 59 | 47 | 37 | 32 | 48 |
| Precip in | 5.4 | 5.5 | 5.7 | 5.3 | 4.6 | 4.6 | 4.5 | 3.8 | 4.1 | 4.0 | 4.0 | 5.7 | 57.2 |
1996–2025 normals for Wayne County — the climate division Collinwood sits in. All-time county record high 107.0°F (1952-07-29); record low -16.2°F (1951-02-02). Source: NOAA / National Weather Service.