The official National Weather Service forecast for Mascot — 36.0612°N, 83.7457°W, 7.1 miles from I-40.
| Knox County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 47 | 53 | 62 | 71 | 79 | 85 | 88 | 87 | 82 | 72 | 61 | 51 | 70 |
| Avg low °F | 29 | 33 | 39 | 46 | 56 | 63 | 68 | 66 | 60 | 48 | 38 | 32 | 48 |
| Precip in | 4.9 | 5.2 | 4.8 | 4.7 | 4.1 | 4.3 | 4.8 | 3.9 | 4.0 | 3.3 | 4.0 | 5.4 | 53.4 |
1996–2025 normals for Knox County — the climate division Mascot sits in. All-time county record high 104.4°F (2012-07-01); record low -15.1°F (1985-01-21). Source: NOAA / National Weather Service.