The official National Weather Service forecast for Parkersburg — 39.2667°N, 81.5615°W, population 62,500, 3.5 miles from I-77.
| Wood County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 40 | 45 | 55 | 67 | 76 | 82 | 86 | 85 | 79 | 68 | 56 | 45 | 65 |
| Avg low °F | 23 | 26 | 33 | 41 | 51 | 59 | 64 | 63 | 56 | 44 | 34 | 28 | 44 |
| Precip in | 3.3 | 3.3 | 3.9 | 3.9 | 4.5 | 4.8 | 4.6 | 3.7 | 3.5 | 3.2 | 2.9 | 3.5 | 45.1 |
1996–2025 normals for Wood County — the climate division Parkersburg sits in. All-time county record high 101.5°F (1988-07-17); record low -25.7°F (1994-01-20). Source: NOAA / National Weather Service.