The official National Weather Service forecast for Stockton — 39.4381°N, 99.2651°W, 36.3 miles from I-70.
| Rooks County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 46 | 57 | 68 | 77 | 88 | 93 | 90 | 83 | 70 | 56 | 44 | 68 |
| Avg low °F | 18 | 20 | 30 | 38 | 49 | 60 | 66 | 64 | 55 | 42 | 29 | 20 | 41 |
| Precip in | 0.5 | 0.7 | 1.4 | 2.0 | 3.7 | 3.2 | 3.2 | 3.3 | 2.0 | 1.6 | 1.0 | 0.7 | 23.3 |
1996–2025 normals for Rooks County — the climate division Stockton sits in. All-time county record high 114.2°F (2012-06-28); record low -26.0°F (1989-12-23). Source: NOAA / National Weather Service.