The official National Weather Service forecast for Hicksville — 41.2931°N, 84.7619°W, 23.3 miles from I-90.
| Defiance County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 37 | 48 | 61 | 72 | 81 | 85 | 82 | 77 | 64 | 50 | 38 | 61 |
| Avg low °F | 19 | 21 | 29 | 39 | 50 | 59 | 63 | 61 | 54 | 43 | 33 | 24 | 41 |
| Precip in | 2.3 | 2.1 | 2.6 | 3.4 | 4.4 | 3.9 | 3.8 | 3.7 | 2.9 | 2.7 | 2.5 | 2.5 | 36.8 |
1996–2025 normals for Defiance County — the climate division Hicksville sits in. All-time county record high 105.9°F (2012-06-29); record low -20.5°F (1984-01-21). Source: NOAA / National Weather Service.