The official National Weather Service forecast for Bon Aqua Junction — 35.9278°N, 87.3108°W, 6.9 miles from I-40.
| Hickman County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 48 | 53 | 63 | 72 | 79 | 86 | 89 | 88 | 83 | 73 | 61 | 52 | 71 |
| Avg low °F | 28 | 32 | 38 | 46 | 55 | 64 | 68 | 66 | 59 | 47 | 37 | 31 | 48 |
| Precip in | 4.7 | 5.1 | 5.2 | 5.0 | 5.0 | 4.6 | 4.3 | 3.7 | 4.1 | 3.7 | 3.7 | 5.0 | 54.1 |
1996–2025 normals for Hickman County — the climate division Bon Aqua Junction sits in. All-time county record high 107.0°F (1952-07-28); record low -17.9°F (1985-01-21). Source: NOAA / National Weather Service.