The official National Weather Service forecast for Blairsville — 34.8762°N, 83.9582°W, 42.2 miles from I-575. Forecasts here are written by NWS FFC, this county’s forecast office.
| Union County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 48 | 53 | 60 | 69 | 75 | 81 | 84 | 83 | 78 | 69 | 60 | 52 | 68 |
| Avg low °F | 27 | 31 | 37 | 43 | 52 | 59 | 63 | 62 | 56 | 45 | 36 | 31 | 45 |
| Precip in | 6.3 | 5.6 | 5.6 | 5.5 | 5.2 | 5.3 | 5.4 | 5.2 | 4.4 | 4.2 | 4.6 | 6.3 | 63.6 |
1996–2025 normals for Union County — the climate division Blairsville sits in. All-time county record high 98.3°F (2012-07-01); record low -16.3°F (1985-01-21). Source: NOAA / National Weather Service.