The official National Weather Service forecast for Lisbon — 46.4416°N, 97.6812°W, 30.2 miles from I-94.
| Ransom County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 20 | 24 | 38 | 54 | 68 | 78 | 83 | 81 | 73 | 57 | 40 | 25 | 53 |
| Avg low °F | 2 | 4 | 18 | 31 | 44 | 55 | 59 | 56 | 48 | 35 | 21 | 8 | 32 |
| Precip in | 0.5 | 0.6 | 0.9 | 1.8 | 3.1 | 3.9 | 2.9 | 3.0 | 2.5 | 2.1 | 0.6 | 0.9 | 22.8 |
1996–2025 normals for Ransom County — the climate division Lisbon sits in. All-time county record high 104.3°F (1988-07-06); record low -37.5°F (1994-02-09). Source: NOAA / National Weather Service.