The official National Weather Service forecast for Waverly — 40.9175°N, 96.5283°W, 2.2 miles from I-80.
| Lancaster County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 39 | 52 | 64 | 74 | 84 | 88 | 86 | 80 | 67 | 52 | 39 | 63 |
| Avg low °F | 15 | 18 | 29 | 39 | 51 | 62 | 66 | 64 | 55 | 42 | 29 | 19 | 41 |
| Precip in | 0.7 | 1.0 | 1.7 | 2.7 | 5.1 | 4.6 | 3.4 | 3.6 | 2.7 | 2.4 | 1.3 | 1.2 | 30.4 |
1996–2025 normals for Lancaster County — the climate division Waverly sits in. All-time county record high 106.6°F (1995-07-13); record low -27.3°F (2021-02-16). Source: NOAA / National Weather Service.