The official National Weather Service forecast for Covington — 40.1173°N, 84.3538°W, 6.7 miles from I-75.
| Miami County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 36 | 40 | 51 | 63 | 73 | 82 | 85 | 83 | 78 | 66 | 52 | 41 | 62 |
| Avg low °F | 21 | 23 | 32 | 41 | 52 | 61 | 64 | 62 | 55 | 44 | 34 | 26 | 43 |
| Precip in | 3.1 | 2.5 | 3.5 | 4.1 | 4.5 | 4.3 | 4.3 | 3.1 | 3.2 | 2.9 | 2.8 | 3.1 | 41.4 |
1996–2025 normals for Miami County — the climate division Covington sits in. All-time county record high 101.9°F (2012-06-29); record low -24.7°F (1994-01-19). Source: NOAA / National Weather Service.