The official National Weather Service forecast for Celina — 36.5501°N, 85.5053°W, 28.4 miles from I-40.
| Clay County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 47 | 52 | 61 | 71 | 78 | 86 | 88 | 88 | 83 | 72 | 61 | 51 | 70 |
| Avg low °F | 27 | 31 | 37 | 44 | 54 | 62 | 66 | 65 | 58 | 46 | 36 | 31 | 46 |
| Precip in | 4.5 | 5.1 | 5.2 | 4.9 | 5.1 | 4.6 | 5.0 | 3.7 | 3.7 | 3.2 | 3.5 | 5.0 | 53.5 |
1996–2025 normals for Clay County — the climate division Celina sits in. All-time county record high 106.1°F (1952-07-28); record low -19.1°F (1963-01-24). Source: NOAA / National Weather Service.