The official National Weather Service forecast for Tryon — 41.5528°N, 100.9577°W, 29.2 miles from I-80.
| McPherson County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 38 | 40 | 52 | 61 | 70 | 82 | 88 | 85 | 78 | 64 | 51 | 40 | 62 |
| Avg low °F | 14 | 16 | 25 | 33 | 43 | 54 | 60 | 58 | 49 | 36 | 24 | 16 | 36 |
| Precip in | 0.4 | 0.6 | 1.0 | 2.3 | 3.6 | 3.6 | 3.0 | 2.4 | 1.9 | 1.5 | 0.6 | 0.4 | 21.3 |
1996–2025 normals for McPherson County — the climate division Tryon sits in. All-time county record high 108.9°F (1954-07-13); record low -30.8°F (1989-12-22). Source: NOAA / National Weather Service.