The official National Weather Service forecast for Ellsworth — 38.7306°N, 98.2281°W, 8.9 miles from I-70.
| Ellsworth County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 46 | 58 | 67 | 77 | 88 | 93 | 90 | 83 | 70 | 57 | 44 | 68 |
| Avg low °F | 20 | 22 | 32 | 41 | 52 | 63 | 67 | 66 | 58 | 45 | 32 | 22 | 43 |
| Precip in | 0.7 | 1.0 | 1.7 | 2.3 | 4.6 | 3.9 | 3.6 | 3.8 | 2.6 | 2.1 | 1.3 | 1.0 | 28.6 |
1996–2025 normals for Ellsworth County — the climate division Ellsworth sits in. All-time county record high 111.3°F (1954-07-13); record low -23.2°F (1989-12-23). Source: NOAA / National Weather Service.