The official National Weather Service forecast for Wilmington — 34.2356°N, 77.946°W, population 255,329, 5.1 miles from I-40. Forecasts here are written by NWS ILM, this county’s forecast office.
| New Hanover County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 57 | 60 | 67 | 74 | 81 | 87 | 89 | 88 | 84 | 76 | 67 | 60 | 74 |
| Avg low °F | 35 | 38 | 43 | 51 | 60 | 68 | 72 | 71 | 66 | 54 | 44 | 38 | 53 |
| Precip in | 3.4 | 3.4 | 3.6 | 3.5 | 4.2 | 5.4 | 6.4 | 7.5 | 8.1 | 3.9 | 3.4 | 3.7 | 56.5 |
1996–2025 normals for New Hanover County — the climate division Wilmington sits in. All-time county record high 103.4°F (1952-06-27); record low 1.7°F (1989-12-25). Source: NOAA / National Weather Service.