The official National Weather Service forecast for Berkey — 41.7156°N, 83.8394°W, 8.3 miles from I-80.
| Lucas County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 37 | 48 | 61 | 72 | 82 | 85 | 83 | 77 | 64 | 50 | 39 | 61 |
| Avg low °F | 20 | 22 | 30 | 39 | 51 | 60 | 64 | 62 | 55 | 45 | 34 | 26 | 42 |
| Precip in | 2.1 | 2.1 | 2.5 | 3.2 | 3.8 | 3.6 | 3.4 | 3.3 | 3.0 | 2.6 | 2.3 | 2.3 | 34.2 |
1996–2025 normals for Lucas County — the climate division Berkey sits in. All-time county record high 102.1°F (1988-06-26); record low -17.6°F (1994-01-19). Source: NOAA / National Weather Service.