The official National Weather Service forecast for Philippi — 39.1523°N, 80.0404°W, 14.8 miles from I-79.
| Barbour County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 39 | 44 | 53 | 65 | 73 | 80 | 83 | 82 | 76 | 66 | 54 | 44 | 63 |
| Avg low °F | 22 | 25 | 31 | 39 | 48 | 57 | 61 | 60 | 53 | 42 | 32 | 27 | 41 |
| Precip in | 3.8 | 3.5 | 3.8 | 4.3 | 5.4 | 5.3 | 5.4 | 4.3 | 3.8 | 3.6 | 3.1 | 3.8 | 50.1 |
1996–2025 normals for Barbour County — the climate division Philippi sits in. All-time county record high 99.0°F (1988-07-17); record low -21.5°F (1994-01-19). Source: NOAA / National Weather Service.