The official National Weather Service forecast for Lyons — 38.345°N, 98.2017°W, 34.9 miles from I-70.
| Rice County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 46 | 58 | 68 | 77 | 88 | 93 | 90 | 83 | 70 | 57 | 45 | 68 |
| Avg low °F | 20 | 23 | 33 | 42 | 52 | 63 | 68 | 66 | 58 | 45 | 32 | 23 | 44 |
| Precip in | 0.7 | 1.0 | 1.8 | 2.3 | 4.6 | 4.2 | 3.6 | 3.8 | 2.5 | 2.4 | 1.3 | 1.0 | 29.2 |
1996–2025 normals for Rice County — the climate division Lyons sits in. All-time county record high 111.1°F (1954-07-14); record low -21.0°F (1989-12-23). Source: NOAA / National Weather Service.