The official National Weather Service forecast for Flintville — 35.0626°N, 86.4197°W, 26.4 miles from I-65.
| Lincoln County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 49 | 54 | 63 | 72 | 79 | 86 | 89 | 89 | 84 | 73 | 62 | 53 | 71 |
| Avg low °F | 29 | 33 | 39 | 47 | 56 | 64 | 68 | 66 | 59 | 48 | 38 | 33 | 48 |
| Precip in | 5.6 | 5.7 | 5.9 | 5.2 | 4.9 | 4.8 | 5.0 | 4.4 | 4.1 | 3.5 | 4.2 | 6.0 | 59.3 |
1996–2025 normals for Lincoln County — the climate division Flintville sits in. All-time county record high 106.8°F (2012-06-30); record low -16.6°F (1966-01-30). Source: NOAA / National Weather Service.