The official National Weather Service forecast for Tunnel Hill — 34.8406°N, 85.0427°W, 1.8 miles from I-75. Forecasts here are written by NWS FFC, this county’s forecast office.
| Whitfield County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 51 | 56 | 64 | 73 | 80 | 87 | 89 | 89 | 84 | 73 | 62 | 54 | 72 |
| Avg low °F | 30 | 34 | 41 | 47 | 56 | 64 | 68 | 67 | 61 | 49 | 39 | 34 | 49 |
| Precip in | 5.0 | 4.9 | 5.4 | 4.8 | 4.7 | 4.1 | 4.4 | 4.5 | 4.2 | 3.1 | 4.2 | 5.4 | 54.7 |
1996–2025 normals for Whitfield County — the climate division Tunnel Hill sits in. All-time county record high 104.2°F (1980-07-18); record low -10.2°F (1985-01-21). Source: NOAA / National Weather Service.