The official National Weather Service forecast for Washington — 33.7368°N, 82.7393°W, 17 miles from I-20. Forecasts here are written by NWS FFC, this county’s forecast office.
| Wilkes County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 55 | 60 | 67 | 75 | 82 | 88 | 91 | 90 | 85 | 75 | 66 | 58 | 74 |
| Avg low °F | 33 | 37 | 43 | 49 | 58 | 66 | 70 | 69 | 63 | 51 | 41 | 36 | 51 |
| Precip in | 4.1 | 4.0 | 4.4 | 3.4 | 3.3 | 3.8 | 4.0 | 4.1 | 3.8 | 2.6 | 3.0 | 4.4 | 44.9 |
1996–2025 normals for Wilkes County — the climate division Washington sits in. All-time county record high 106.4°F (2012-06-30); record low -2.8°F (1985-01-21). Source: NOAA / National Weather Service.