The official National Weather Service forecast for Delbarton — 37.7107°N, 82.184°W, 48.8 miles from I-64.
| Mingo County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 44 | 49 | 59 | 70 | 77 | 84 | 86 | 85 | 80 | 69 | 58 | 48 | 67 |
| Avg low °F | 26 | 29 | 35 | 43 | 52 | 60 | 65 | 64 | 57 | 46 | 35 | 30 | 45 |
| Precip in | 3.8 | 3.8 | 4.0 | 4.3 | 5.0 | 4.6 | 5.5 | 4.2 | 3.5 | 3.2 | 2.9 | 4.0 | 48.8 |
1996–2025 normals for Mingo County — the climate division Delbarton sits in. All-time county record high 102.0°F (2012-06-30); record low -16.0°F (1994-01-19). Source: NOAA / National Weather Service.