The official National Weather Service forecast for Blue Mountain — 33.6846°N, 85.8427°W, 5.5 miles from I-20. Forecasts here are written by NWS BMX, this county’s forecast office.
| Calhoun County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 54 | 59 | 67 | 74 | 81 | 87 | 90 | 90 | 85 | 75 | 65 | 57 | 74 |
| Avg low °F | 32 | 36 | 42 | 49 | 58 | 66 | 69 | 68 | 62 | 51 | 40 | 35 | 51 |
| Precip in | 5.2 | 5.2 | 5.5 | 4.7 | 4.6 | 4.6 | 4.7 | 4.0 | 3.4 | 2.9 | 4.0 | 5.0 | 53.8 |
1996–2025 normals for Calhoun County — the climate division Blue Mountain sits in. All-time county record high 104.6°F (1952-07-29); record low -5.9°F (1985-01-21). Source: NOAA / National Weather Service.